The Defense Equal Opportunity Management Institute (DEOMI) is a U.S. Department of Defense joint services school and research laboratory located at Patrick Space Force Base , Florida , offering both resident and off-site courses, and working in areas of equal opportunity , intercultural communication , religious, racial, gender, and ethnic diversity and pluralism . Courses and research are meant to support the readiness of civilian and military personnel working with the American armed forces.
176-546: DEOMI was established in 1971 as the Defense Race Relations Institute (DRRI) based on lessons learned from the Civil Rights Movement . Set against a national policy of inequality and segregation, and problems both in the civilian world and the military linked to racial tension and hostility, military leaders understood that working together across racial lines was not only the right thing to do but also
352-633: A lower house based on population; and the Senate , an upper house based on equal representation for each state. Federalism provides substantial autonomy to the 50 states, while American values are based on a democratic political tradition that draws its inspiration from the European Enlightenment movement . One of the world's most developed countries , the United States has had the largest nominal GDP since about 1890 and accounted for over 15% of
528-562: A " Special Relationship " with the United Kingdom and strong ties with Canada , Australia , New Zealand , the Philippines , Japan , South Korea , Israel , and several European Union countries ( France , Italy , Germany , Spain , and Poland ). The U.S. works closely with its NATO allies on military and national security issues, and with countries in the Americas through
704-535: A 14-year-old African American from Chicago, visited his relatives in Money, Mississippi , for the summer. He allegedly had an interaction with a white woman, Carolyn Bryant, in a small grocery store that violated the norms of Mississippi culture, and Bryant's husband Roy and his half-brother J. W. Milam brutally murdered young Emmett Till. They beat and mutilated him before shooting him in the head and sinking his body in the Tallahatchie River . Three days later, Till's body
880-468: A backlash for his involvement with white actress Kim Novak . Davis briefly married a black dancer in 1958 to protect himself from mob violence. In 1958, officers in Virginia entered the home of Mildred and Richard Loving and dragged them out of bed for living together as an interracial couple, on the basis that "any white person intermarry with a colored person"— or vice versa—each party "shall be guilty of
1056-461: A base line upon assumption of command, follow-up surveys can also assess progress. The survey can be taken on line by military personnel. The Claiborne D. Haughton Jr. Research Library was established in 2004. The mission of DEOMI's Research Library is to support DEOMI's education and research goals by meeting the information needs of DEOMI faculty, staff members, students, visiting researchers, and other patrons and stakeholders. The library collection
1232-583: A bus boycott was considered and rejected. But when Rosa Parks was arrested in December, Jo Ann Gibson Robinson of the Montgomery Women's Political Council put the bus boycott protest in motion. Late that night, she, John Cannon (chairman of the Business Department at Alabama State University ) and others mimeographed and distributed thousands of leaflets calling for a boycott. The eventual success of
1408-468: A combined strategy of direct action , nonviolence , nonviolent resistance , and many events described as civil disobedience , giving rise to the civil rights movement of 1954 to 1968. A. Philip Randolph had planned a march on Washington, D.C., in 1941 to support demands for elimination of employment discrimination in the defense industry ; he called off the march when the Roosevelt administration met
1584-514: A command climate survey with 90 days; and that commanders must follow up annually thereafter. in 2015, the Undersecretary of Defense for Personnel and Readiness (USD (P&R)) issued a memorandum declaring DEOCS as the command climate assessment survey for the Department of Defense. In 2011, Dr. Daniel P. McDonald and his team began to develop a capability for DEOCS that went beyond merely providing
1760-572: A decentralized government that operated until 1789. After the British surrender at the siege of Yorktown in 1781 American sovereignty was internationally recognized by the Treaty of Paris (1783), through which the U.S. gained territory stretching west to the Mississippi River, north to present-day Canada, and south to Spanish Florida . The Northwest Ordinance (1787) established the precedent by which
1936-484: A felony" and face prison terms of five years. Invigorated by the victory of Brown and frustrated by the lack of immediate practical effect, private citizens increasingly rejected gradualist, legalistic approaches as the primary tool to bring about desegregation . They were faced with " massive resistance " in the South by proponents of racial segregation and voter suppression . In defiance, African-American activists adopted
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#17330847831542112-407: A few prominent industrialists , largely by their formation of trusts and monopolies to prevent competition. Tycoons led the nation's expansion in the railroad , petroleum , and steel industries. The United States emerged as a pioneer of the automotive industry . These changes were accompanied by significant increases in economic inequality , slum conditions , and social unrest , creating
2288-616: A founding member of the World Bank , Organization of American States , NATO , and the United Nations , as well as a permanent member of the UN Security Council . The first documented use of the phrase "United States of America" is a letter from January 2, 1776. Stephen Moylan , a Continental Army aide to General George Washington , wrote to Joseph Reed , Washington's aide-de-camp , seeking to go "with full and ample powers from
2464-615: A march from Selma to Montgomery . The movement was led by Martin Luther King Jr. , James Bevel , and others, and press coverage of police violence using fire hoses and dogs against students attempting to walk to City Hall to talk with the mayor during the Birmingham campaign increased its public support. Discrimination was often supported by courts, including by the Supreme Court in its 1896 decision Plessy v. Ferguson , which upheld
2640-601: A near real-time survey service for commanders, and began to develop a continuous performance support and improvement system around the assessment capability called the 'Assessment to Solutions' system. The concept is that commanders and their equal opportunity advisors or command climate specialists need real-time support not only in carrying out the complex task of a complete climate assessment to detect issues before they evolve, but also should be presented with evidence-based solutions to meet their unique diagnosed needs within their organizations. Furthermore, after using it to establish
2816-551: A necessary element in terms of military readiness. Consequently, an inter-service task force was convened to study "causes and possible cures of...disorders within the military." Chaired by Air Force Major General Lucius Theus , the task force resulted in Department of Defense Directive 1322.11, establishing the Race Relations Education Board, and led to the 1971 establishment of the DRRI at Patrick AFB, Florida, under
2992-563: A neighborhood a character or property or occupancy, members of any race or nationality, or any individual whose presence will be clearly detrimental to property values in a neighborhood." The result was the development of all-black ghettos in the North and West, where much housing was older, as well as South. The first anti-miscegenation law was passed by the Maryland General Assembly in 1691, criminalizing interracial marriage . In
3168-562: A network of chapters as the NAACP did. It offered training and leadership assistance for local efforts to fight segregation. The headquarters organization raised funds, mostly from Northern sources, to support such campaigns. It made nonviolence both its central tenet and its primary method of confronting racism. In 1959, Septima Clarke , Bernice Robinson, and Esau Jenkins , with the help of Myles Horton 's Highlander Folk School in Tennessee , began
3344-535: A period of heightened, overt racism following Reconstruction, a time often called the nadir of American race relations . A series of Supreme Court decisions, including Plessy v. Ferguson , emptied the Fourteenth and Fifteenth Amendments of their force, allowing Jim Crow laws in the South to remain unchecked, sundown towns in the Midwest, and segregation in communities across the country , which would be reinforced by
3520-465: A plethora of aspects of life. Within employment, economic opportunities for blacks were routed to the lowest status and restrictive in potential mobility. Within the housing market, stronger discriminatory measures were used in correlation to the influx, resulting in a mix of "targeted violence, restrictive covenants , redlining and racial steering ". The Great Migration resulted in many African Americans becoming urbanized, and they began to realign from
3696-488: A prominent leader in the early 1960s. The Great Society plan of President Lyndon Johnson 's administration resulted in groundbreaking and broad-reaching laws, policies and a constitutional amendment to counteract some of the worst effects of lingering institutional racism . The counterculture movement in the U.S. brought significant social changes, including the liberalization of attitudes toward recreational drug use and sexuality . It also encouraged open defiance of
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#17330847831543872-518: A sense of manifest destiny . The Missouri Compromise attempted to balance the desire of northern states to prevent the expansion of slavery into new territories with that of southern states to extend it, admitting Missouri as a slave state and Maine as a free state. It further prohibited slavery in all other lands of the Louisiana Purchase north of the 36°30′ parallel . As Americans expanded further into land inhabited by Native Americans,
4048-577: A speech in Charleston, Illinois in 1858, Abraham Lincoln stated, "I am not, nor ever have been in favor of making voters or jurors of negroes, nor of qualifying them to hold office, nor to intermarry with white people". By the late 1800s, 38 US states had anti-miscegenation statutes. By 1924, the ban on interracial marriage was still in force in 29 states. While interracial marriage had been legal in California since 1948, in 1957 actor Sammy Davis Jr. faced
4224-560: A status solidified after its involvement in World War I . After Japan 's attack on Pearl Harbor in December 1941, the U.S. entered World War II . Its aftermath left the U.S. and the Soviet Union as the world's two superpowers and led to the Cold War , during which both countries struggled for ideological dominance and international influence . Following the Soviet Union's collapse and
4400-505: A watershed historical moment without Mamie finding the strength to make her private grief a public matter." The visceral response to his mother's decision to have an open-casket funeral mobilized the black community throughout the U.S. The murder and resulting trial ended up markedly impacting the views of several young black activists. Joyce Ladner referred to such activists as the "Emmett Till generation." One hundred days after Emmett Till's murder, Rosa Parks refused to give up her seat on
4576-401: A year). Juvenile correctional facilities are operated by local or state governments and serve as longer-term placements for any minor adjudicated as delinquent and ordered by a judge to be confined. As of January 2023, the United States has the sixth-highest per capita incarceration rate in the world—531 people per 100,000 inhabitants—and the largest prison and jail population in
4752-566: Is a country primarily located in North America . It is a federal union of 50 states and a federal capital district, Washington, D.C. The 48 contiguous states border Canada to the north and Mexico to the south, with the states of Alaska to the northwest and the archipelagic Hawaii in the Pacific Ocean . The United States also asserts sovereignty over five major island territories and various uninhabited islands . The country has
4928-571: Is believed to be the first widespread culture in the Americas. Over time, indigenous North American cultures grew increasingly sophisticated, and some, such as the Mississippian culture , developed agriculture , architecture , and complex societies . In the post-archaic period , the Mississippian cultures were located in the midwestern , eastern , and southern regions, and the Algonquian in
5104-574: Is constantly expanding and currently consists of over 19,000 books, periodicals, and multimedia items on equal opportunity, equal employment opportunity, diversity, culture, cross-cultural competency, and other human relations topics. Civil Rights Movement 1954–1959 1960–1963 1964–1968 The civil rights movement was a social movement and campaign in the United States from 1954 to 1968 that aimed to abolish legalized racial segregation , discrimination , and disenfranchisement in
5280-481: Is currently housed in a 90,000-square-foot (8,400 m) two-story building that houses classes, faculty offices, a library, computer rooms, research areas, and an auditorium. It is a state-of-the-art facility in terms of audio-visual communications and presentation resources. It was dedicated on January 14, 2004. In 2011, Dr. Daniel P. McDonald established the Dr. Richard Oliver Hope Human Relations Research Center. The center
5456-492: Is known as the presidential system , in contrast to the parliamentary system , where the executive is part of the legislative body. Many countries around the world imitated this aspect of the 1789 Constitution of the United States , especially in the Americas. The Constitution is silent on political parties. However, they developed independently in the 18th century with the Federalist and Anti-Federalist parties. Since then,
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5632-438: Is now the United States experienced conflicts with Native Americans, they also engaged in trade, exchanging European tools for food and animal pelts. Relations ranged from close cooperation to warfare and massacres. The colonial authorities often pursued policies that forced Native Americans to adopt European lifestyles, including conversion to Christianity. Along the eastern seaboard, settlers trafficked African slaves through
5808-542: Is the federal agency charged with addressing most environmental-related issues . The idea of wilderness has shaped the management of public lands since 1964, with the Wilderness Act . The Endangered Species Act of 1973 provides a way to protect threatened and endangered species and their habitats. The United States Fish and Wildlife Service implements and enforces the Act. In 2024, the U.S. ranked 34th among 180 countries in
5984-434: The 15th Amendment (1870) that gave black males the right to vote (only males could vote in the U.S. at the time). From 1865 to 1877, the United States underwent a turbulent Reconstruction era during which the federal government tried to establish free labor and the civil rights of freedmen in the South after the end of slavery. Many whites resisted the social changes, leading to the formation of insurgent movements such as
6160-569: The Allies , helping to turn the tide against the Central Powers . In 1920, a constitutional amendment granted nationwide women's suffrage . During the 1920s and '30s, radio for mass communication and the invention of early television transformed communications nationwide. The Wall Street Crash of 1929 triggered the Great Depression , which President Franklin D. Roosevelt responded to with
6336-688: The American Civil War , eight serving presidents had owned slaves , almost four million black people remained enslaved in the South , generally only white men with property could vote, and the Naturalization Act of 1790 limited U.S. citizenship to whites . Following the Civil War, three constitutional amendments were passed, including the 13th Amendment (1865) that ended slavery; the 14th Amendment (1869) that gave black people citizenship, adding their total for Congressional apportionment ; and
6512-537: The American Political Science Review , nonviolent civil rights protests boosted vote shares for the Democratic party in presidential elections in nearby counties, but violent protests substantially boosted white support for Republicans in counties near to the violent protests. United States The United States of America ( USA ), commonly known as the United States ( U.S. ) or America ,
6688-548: The Atlantic slave trade . The original Thirteen Colonies that would later found the United States were administered as possessions of Great Britain , and had local governments with elections open to most white male property owners . The colonial population grew rapidly, eclipsing Native American populations; by the 1770s, the natural increase of the population was such that only a small minority of Americans had been born overseas. The colonies' distance from Britain allowed for
6864-529: The Environmental Performance Index . The country joined the Paris Agreement on climate change in 2016 and has many other environmental commitments. The United States is a federal republic of 50 states and a separate federal capital district, Washington, D.C. It also asserts sovereignty over five unincorporated territories and several uninhabited island possessions . The U.S. is
7040-493: The Federal Bureau of Investigation (FBI) and the U.S. Marshals Service have national jurisdiction and specialized duties, such as protecting civil rights , national security and enforcing U.S. federal courts ' rulings and federal laws. State courts conduct most civil and criminal trials, and federal courts handle designated crimes and appeals of state court decisions . There is no unified "criminal justice system" in
7216-688: The Great Lakes , Mississippi River and Gulf of Mexico . British colonization of the East Coast began with the Virginia Colony (1607) and Plymouth Colony (1620). The Mayflower Compact and the Fundamental Orders of Connecticut established precedents for representative self-governance and constitutionalism that would develop throughout the American colonies. While European settlers in what
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7392-701: The Great Lakes region and along the Eastern Seaboard , while the Hohokam culture and Ancestral Puebloans inhabited the southwest . Native population estimates of what is now the United States before the arrival of European immigrants range from around 500,000 to nearly 10 million. Christopher Columbus began exploring the Caribbean for Spain in 1492, leading to Spanish-speaking settlements and missions from Puerto Rico and Florida to New Mexico and California . France established its own settlements along
7568-786: The Ku Klux Klan (KKK), whose members attacked black and white Republicans in order to maintain white supremacy . In 1871, President Ulysses S. Grant , the U.S. Army, and U.S. Attorney General Amos T. Akerman , initiated a campaign to repress the KKK under the Enforcement Acts . Some states were reluctant to enforce the federal measures of the act. In addition, by the early 1870s, other white supremacist and insurgent paramilitary groups arose that violently opposed African-American legal equality and suffrage, intimidating and suppressing black voters, and assassinating Republican officeholders. However, if
7744-813: The March on Washington in 1963, moderates in the movement worked with the United States Congress to achieve the passage of several significant pieces of federal legislation that authorized oversight and enforcement of civil rights laws. The Civil Rights Act of 1964 banned all discrimination based on race, color, religion, sex, and national origin, including in schools, employment, and public accommodations . The Voting Rights Act of 1965 restored and protected voting rights for minorities and authorized oversight of registration and elections in areas with historic under-representation of minority voters. The Fair Housing Act of 1968 forbade property owners from discriminating in
7920-532: The Midwest . At the same time, about one million French Canadians migrated from Quebec to New England . During the Great Migration , millions of African Americans left the rural South for urban areas in the North. Alaska was purchased from Russia in 1867. The Compromise of 1877 effectively ended Reconstruction and white supremacists took local control of Southern politics . African Americans endured
8096-672: The National Park Service and other agencies. About 28% of the country's land is publicly owned and federally managed, primarily in the Western States . Most of this land is protected , though some is leased for commercial use, and less than one percent is used for military purposes. Environmental issues in the United States include debates on non-renewable resources and nuclear energy , air and water pollution , biodiversity , logging and deforestation , and climate change . The U.S. Environmental Protection Agency (EPA)
8272-583: The New Deal , a series of sweeping programs and public works projects combined with financial reforms and regulations . All were intended to protect against future economic depressions. Initially neutral during World War II , the U.S. began supplying war materiel to the Allies of World War II in March 1941 and entered the war in December after the Empire of Japan 's attack on Pearl Harbor . The U.S. developed
8448-759: The Organization of American States and the United States–Mexico–Canada Free Trade Agreement . In South America, Colombia is traditionally considered to be the closest ally of the United States. The U.S. exercises full international defense authority and responsibility for Micronesia , the Marshall Islands , and Palau through the Compact of Free Association . It has increasingly conducted strategic cooperation with India , but its ties with China have steadily deteriorated. Since 2014,
8624-638: The Pentium microprocessor in accordance with Moore's law , rechargeable lithium-ion batteries , the first gene therapy trial, and cloning either emerged in the U.S. or were improved upon there. The Human Genome Project was formally launched in 1990, while Nasdaq became the first stock market in the United States to trade online in 1998. In the Gulf War of 1991, an American-led international coalition of states expelled an Iraqi invasion force that had occupied neighboring Kuwait . The September 11 attacks on
8800-576: The Spanish–American War . (The Philippines was granted full independence from the U.S. on July 4, 1946, following World War II. Puerto Rico and Guam have remained U.S. territories.) American Samoa was acquired by the United States in 1900 after the Second Samoan Civil War . The U.S. Virgin Islands were purchased from Denmark in 1917. The United States entered World War I alongside
8976-641: The Tuskegee Institute , to dine at the White House , making him the first African American to attend an official dinner there. "The invitation was roundly criticized by southern politicians and newspapers." Washington persuaded the president to appoint more blacks to federal posts in the South and to try to boost African-American leadership in state Republican organizations. However, these actions were resisted by both white Democrats and white Republicans as an unwanted federal intrusion into state politics. During
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#17330847831549152-534: The civil rights of all Americans. After the American Civil War and subsequent abolition of slavery in the southern states in 1865, the three Reconstruction Amendments to the United States Constitution had granted emancipation and constitutional rights of citizenship to all African Americans, the majority of whom had recently been enslaved. For a short period of time, African-American men voted and held political office, but as time went on Blacks in
9328-610: The cotton gin made the institution increasingly profitable for Southern elites . This sectional conflict regarding slavery culminated in the American Civil War (1861–1865). Eleven slave states seceded and formed the Confederate States of America , while the other states remained in the Union . War broke out in April 1861 after the Confederates bombarded Fort Sumter . After
9504-514: The end of the Cold War in 1991, the U.S. emerged as the world's sole superpower , wielding significant geopolitical influence globally . The U.S. national government is a presidential constitutional federal republic and liberal democracy with three separate branches : legislative , executive , and judicial . It has a bicameral national legislature composed of the House of Representatives ,
9680-413: The fall of communism and the collapse of the Soviet Union , which marked the end of the Cold War and left the United States as the world's sole superpower . The 1990s saw the longest recorded economic expansion in American history , a dramatic decline in U.S. crime rates , and advances in technology . Throughout this decade, technological innovations such as the World Wide Web , the evolution of
9856-400: The global economy in 2023. It possesses by far the largest amount of wealth of any country and has the highest disposable household income per capita among OECD countries. The U.S. ranks among the world's highest in economic competitiveness , productivity , innovation , human rights , and higher education . Its hard power and cultural influence have a global reach. The U.S. is
10032-406: The 1775 Battles of Lexington and Concord , igniting the American Revolutionary War . At the Second Continental Congress , the colonies appointed George Washington commander-in-chief of the Continental Army , and created a committee that named Thomas Jefferson to draft the Declaration of Independence . Two days after passing the Lee Resolution to create an independent nation the Declaration
10208-425: The 1950s and 1960s, the nonviolent protesting of the civil rights movement caused definite tension, which gained national attention. In order to prepare for protests physically and psychologically, demonstrators received training in nonviolence. According to former civil rights activist Bruce Hartford, there are two main components of nonviolence training. There is the philosophical method, which involves understanding
10384-466: The 2010s, political polarization in the country increased between liberal and conservative factions. This polarization was capitalized upon in the January 2021 Capitol attack , when a mob of insurrectionists entered the U.S. Capitol and sought to prevent the peaceful transfer of power in an attempted self-coup d'état . The United States is the world's third-largest country by total area behind Russia and Canada. The 48 contiguous states and
10560-426: The American West have an alpine climate . The climate is arid in the Southwest, Mediterranean in coastal California , and oceanic in coastal Oregon , Washington , and southern Alaska . Most of Alaska is subarctic or polar . Hawaii , the southern tip of Florida and U.S. territories in the Caribbean and Pacific are tropical . States bordering the Gulf of Mexico are prone to hurricanes, and most of
10736-420: The Declaration of Independence on July 4, 1776. The term "United States" and the initialism "U.S.", used as nouns or as adjectives in English, are common short names for the country. The initialism "USA", a noun, is also common. "United States" and "U.S." are the established terms throughout the U.S. federal government , with prescribed rules. In English, the term "America" rarely refers to topics unrelated to
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#173308478315410912-404: The District of Columbia occupy a combined area of 3,119,885 square miles (8,080,470 km ). The coastal plain of the Atlantic seaboard gives way to inland forests and rolling hills in the Piedmont plateau region. The Appalachian Mountains and the Adirondack massif separate the East Coast from the Great Lakes and the grasslands of the Midwest . The Mississippi River System ,
11088-510: The Elder concluded that major military resources needed to be devoted to North America to win the war against France. The British colonies' position as an integral part of the British Empire became more apparent during the war, with British military and civilian officials becoming a more significant presence in American life. Following their victory in the French and Indian War, Britain began to assert greater control over local colonial affairs, resulting in colonial political resistance ; one of
11264-465: The January 1863 Emancipation Proclamation , many freed slaves joined the Union army . The war began to turn in the Union's favor following the 1863 Siege of Vicksburg and Battle of Gettysburg , and the Confederacy surrendered in 1865 after the Union's victory in the Battle of Appomattox Court House . The Reconstruction era followed the war. After the assassination of President Abraham Lincoln , Reconstruction Amendments were passed to protect
11440-464: The Montgomery Improvement Association, joined with other church leaders who had led similar boycott efforts, such as C. K. Steele of Tallahassee and T. J. Jemison of Baton Rouge, and other activists such as Fred Shuttlesworth , Ella Baker , A. Philip Randolph , Bayard Rustin and Stanley Levison , to form the Southern Christian Leadership Conference (SCLC). The SCLC, with its headquarters in Atlanta , Georgia , did not attempt to create
11616-405: The Montgomery bus boycott to demand a bus system in which passengers would be treated equally. The organization was led by Jo Ann Robinson, a member of the Women's Political Council who had been waiting for the opportunity to boycott the bus system. Following Rosa Parks' arrest, Jo Ann Robinson mimeographed 52,500 leaflets calling for a boycott. They were distributed around the city and helped gather
11792-439: The NAACP and the national civil rights movement obtained federal court orders to integrate the prestigious Little Rock Central High School in September, 1957. The Nine faced intense harassment and threats of violence from white parents and students, as well as organized white supremacy groups. The enraged opposition emphasized miscegenation as the threat to white society. Arkansas Governor , Orval Faubus , claiming his only goal
11968-414: The Nine were teased and ridiculed every day. In the city compromise efforts all failed and political tensions continued to fester. A year later in September 1958 the Supreme Court ruled that all the city's high schools had to be integrated immediately. Governor Faubus and the legislature responded by immediately shutting down all the public high schools in the city for the entire 1958–1959 school year, despite
12144-421: The RCNL, Howard led campaigns to expose brutality by the Mississippi state highway patrol and to encourage blacks to make deposits in the black-owned Tri-State Bank of Nashville which, in turn, gave loans to civil rights activists who were victims of a "credit squeeze" by the White Citizens' Councils . After Claudette Colvin was arrested for not giving up her seat on a Montgomery, Alabama bus in March 1955,
12320-462: The Republican to the Democratic Party, especially because of opportunities under the New Deal of the Franklin D. Roosevelt administration during the Great Depression in the 1930s. Substantially under pressure from African-American supporters who began the March on Washington Movement , President Roosevelt issued the first federal order banning discrimination and created the Fair Employment Practice Committee . After both World Wars, black veterans of
12496-476: The Rocky Mountains, the Yellowstone Caldera , is the continent's largest volcanic feature. In 2021, the United States had 8% of global permanent meadows and pastures and 10% of cropland. With its large size and geographic variety, the United States includes most climate types. East of the 100th meridian , the climate ranges from humid continental in the north to humid subtropical in the south. The western Great Plains are semi-arid . Many mountainous areas of
12672-439: The South were increasingly deprived of civil rights, often under racist Jim Crow laws , and were subjected to discrimination and sustained violence by White supremacists . African Americans who moved to the North to enhance their prospects in the Great Migration also faced barriers in employment and housing. Over the following century, various efforts were made by African Americans to secure their legal and civil rights, such as
12848-430: The South." From 1910 to 1970, blacks sought better lives by migrating north and west out of the South. A total of nearly seven million blacks left the South in what was known as the Great Migration , most during and after World War II. So many people migrated that the demographics of some previously black-majority states changed to a white majority (in combination with other developments). The rapid influx of blacks altered
13024-625: The U.S. has become a key ally of Ukraine ; it has also provided the country with significant military equipment and other support in response to Russia's 2022 invasion . The president is the commander-in-chief of the United States Armed Forces and appoints its leaders, the secretary of defense and the Joint Chiefs of Staff . The Department of Defense , which is headquartered at the Pentagon near Washington, D.C., administers five of
13200-486: The U.S. military has sometimes been described in phases, beginning with Phase I, Executive Order #9981 issued by President Harry S. Truman , integrating the Armed Forces of the United States. Phase II, programs of education, were initiated to deal with the situation of "racial unrest." The establishment of the DRRI began this new phase in the history of race relations—and later, diversity training in its many forms. DEOMI
13376-661: The U.S. territories." Despite disparate systems of confinement, four main institutions dominate: federal prisons , state prisons , local jails, and juvenile correctional facilities . Federal prisons are run by the Federal Bureau of Prisons and hold people who have been convicted of federal crimes, including pretrial detainees. State prisons, run by the official department of correction of each state, hold sentenced people serving prison time (usually longer than one year) for felony offenses. Local jails are county or municipal facilities that incarcerate defendants prior to trial; they also hold those serving short sentences (typically under
13552-447: The United States and the peaceful transfer of power . The Louisiana Purchase of 1803 from France nearly doubled the territory of the United States. Lingering issues with Britain remained , leading to the War of 1812 , which was fought to a draw. Spain ceded Florida and its Gulf Coast territory in 1819. In the late 18th century, American settlers began to expand westward , many with
13728-695: The United States entered the Cold War, where geopolitical tensions between the U.S. and the Soviet Union led the two countries to dominate world affairs . The U.S. utilized the policy of containment to limit the USSR's sphere of influence, and prevailed in the Space Race , which culminated with the first crewed Moon landing in 1969. Domestically, the U.S. experienced economic growth , urbanization , and population growth following World War II . The civil rights movement emerged, with Martin Luther King Jr. becoming
13904-649: The United States has operated as a de facto two-party system , though the parties in that system have been different at different times. The two main national parties are presently the Democratic and the Republican . The former is perceived as relatively liberal in its political platform while the latter is perceived as relatively conservative . In the American federal system , sovereign powers are shared between two levels of elected government: national and state. People in
14080-572: The United States in 2001 by the pan-Islamist militant organization al-Qaeda led to the war on terror , and subsequent military interventions in Afghanistan and Iraq . The cultural impact of the attacks was profound and long-lasting. The U.S. housing bubble culminated in 2007 with the Great Recession , the largest economic contraction since the Great Depression. Coming to a head in
14256-631: The United States of America to Spain" to seek assistance in the Revolutionary War effort. The first known public usage is an anonymous essay published in the Williamsburg newspaper, The Virginia Gazette , on April 6, 1776. By June 1776, the "United States of America" appeared in the Articles of Confederation and the Declaration of Independence . The Second Continental Congress adopted
14432-580: The United States, despite the usage of "the Americas " as the totality of North and South America. "The States" is an established colloquial shortening of the name, used particularly from abroad; "stateside" is the corresponding adjective or adverb. The first inhabitants of North America migrated from Siberia across the Bering land bridge about 12,000 years ago; the Clovis culture , which appeared around 11,000 BC,
14608-605: The United States, except Iran , North Korea , and Bhutan . Though Taiwan does not have formal diplomatic relations with the U.S., it maintains close unofficial relations. The United States regularly supplies Taiwan with military equipment to deter potential Chinese aggression. Its geopolitical attention also turned to the Indo-Pacific when the United States joined the Quadrilateral Security Dialogue with Australia, India, and Japan. The United States has
14784-509: The United States. The American prison system is largely heterogenous, with thousands of relatively independent systems operating across federal, state, local, and tribal levels. In 2023, "these systems [held] almost 2 million people in 1,566 state prisons, 98 federal prisons, 3,116 local jails, 1,323 juvenile correctional facilities, 181 immigration detention facilities, and 80 Indian country jails, as well as in military prisons , civil commitment centers, state psychiatric hospitals, and prisons in
14960-462: The annual Hampton Negro Conference in Virginia, said that "...the lines along most of the avenues of wage-earning are more rigidly drawn in the North than in the South. There seems to be an apparent effort throughout the North, especially in the cities to debar the colored worker from all the avenues of higher remunerative labor, which makes it more difficult to improve his economic condition even than in
15136-780: The appointment of African American David Jones to the school board in 1953, convinced numerous white and black citizens that Greensboro was heading in a progressive direction. Integration in Greensboro occurred rather peacefully compared to the process in Southern states such as Alabama, Arkansas , and Virginia where " massive resistance " was practiced by top officials and throughout the states. In Virginia, some counties closed their public schools rather than integrate, and many white Christian private schools were founded to accommodate students who used to go to public schools. Even in Greensboro, much local resistance to desegregation continued, and in 1969,
15312-519: The armed forces and hosts special events for military and civilian leaders. One example was the July 2009 symposium on cross-cultural competence (also known as 3C) for approximately 200 "leaders, practitioners, operators, and researchers." 3C is defined as "the capability one possesses to effectively adapt and interact with others from different cultures or background, essential for a culturally adaptive total force. Dr. McDonald and his team researched and defined
15488-484: The attention of civil rights leaders. After the city rejected many of its suggested reforms, the NAACP, led by E. D. Nixon , pushed for full desegregation of public buses. With the support of most of Montgomery's 50,000 African Americans, the boycott lasted for 381 days, until the local ordinance segregating African Americans and whites on public buses was repealed. Ninety percent of African Americans in Montgomery partook in
15664-462: The boycott made its spokesman Martin Luther King Jr. , a nationally known figure. It also inspired other bus boycotts, such as the successful Tallahassee, Florida boycott of 1956–57. This movement also sparked the 1956 Sugar Bowl riots in Atlanta which later became a major organizing center of the civil rights movement, with Martin Luther King Jr. In 1957, King and Ralph Abernathy , the leaders of
15840-616: The boycotts, which reduced bus revenue significantly, as they comprised the majority of the riders. This movement also sparked riots leading up to the 1956 Sugar Bowl . In November 1956, the United States Supreme Court upheld a district court ruling in the case of Browder v. Gayle and ordered Montgomery's buses desegregated, ending the boycott. Local leaders established the Montgomery Improvement Association to focus their efforts. Martin Luther King Jr.
16016-399: The bus in Montgomery, Alabama. Parks later informed Till's mother that her decision to stay in her seat was guided by the image she still vividly recalled of Till's brutalized remains. The glass topped casket that was used for Till's Chicago funeral was found in a cemetery garage in 2009. Till had been reburied in a different casket after being exhumed in 2005. Till's family decided to donate
16192-453: The case known as Brown II , the Court ordered segregation to be phased out over time, "with all deliberate speed". Brown v. Board of Education of Topeka, Kansas (1954) did not overturn Plessy v. Ferguson (1896). Plessy v. Ferguson was segregation in transportation modes. Brown v. Board of Education dealt with segregation in education. Brown v. Board of Education did set in motion
16368-506: The city of Anniston, Alabama , two black ministers were brutally beaten for attempting to integrate the public library. Though there was resistance and violence, the integration of libraries was generally quicker than the integration of other public institutions. The situation for blacks outside the South was somewhat better (in most states they could vote and have their children educated, though they still faced discrimination in housing and jobs). In 1900 Reverend Matthew Anderson, speaking at
16544-804: The civil rights movement's peak in the mid-1960s, and still faced discrimination in jobs, housing, education and politics. A wave of riots and protests in Black communities in the 1960s, including in Los Angeles in 1965 , in Newark in 1967 , and in Chicago in 1968 following King's assassination lessened support from the White middle class. By the early 21st century, though " affirmative action " programs had expanded opportunities for Black and other minorities, Black income levels and life expectancy remained lower than that of Whites. Before
16720-562: The civil rights movements of 1865–1896 and of 1896–1954 . The movement was characterized by nonviolent mass protests and civil disobedience following highly publicized events such as the lynching of Emmett Till in 1955. These included economic boycotts such as the Montgomery bus boycott , " sit-ins " in Greensboro and Nashville , a series of protests during the Birmingham campaign , and
16896-622: The constitutionality of those state laws that required racial segregation in public facilities in its 1896 decision Plessy v. Ferguson , legitimizing them through the " separate but equal " doctrine. Segregation, which began with slavery, continued with Jim Crow laws, with signs used to show blacks where they could legally walk, talk, drink, rest, or eat. For those places that were racially mixed, non-whites had to wait until all white customers were served first. Elected in 1912, President Woodrow Wilson gave in to demands by Southern members of his cabinet and ordered segregation of workplaces throughout
17072-453: The contiguous United States are in the State of California, about 84 miles (135 km) apart. At an elevation of 20,310 feet (6,190.5 m), Alaska's Denali is the highest peak in the country and continent. Active volcanoes are common throughout Alaska's Alexander and Aleutian Islands , and Hawaii consists of volcanic islands. The supervolcano underlying Yellowstone National Park in
17248-549: The country's GDP. The U.S. has 42% of the world's nuclear weapons —the second-largest share after Russia. The United States has the third-largest combined armed forces in the world, behind the Chinese People's Liberation Army and Indian Armed Forces . The military operates about 800 bases and facilities abroad, and maintains deployments greater than 100 active duty personnel in 25 foreign countries. State defense forces (SDFs) are military units that operate under
17424-464: The country's territory would expand with the admission of new states , rather than the expansion of existing states. The U.S. Constitution was drafted at the 1787 Constitutional Convention to overcome the limitations of the Articles. It went into effect in 1789, creating a federal republic governed by three separate branches that together ensured a system of checks and balances . George Washington
17600-521: The country, which was most commonly employed against African Americans . The movement had origins in the Reconstruction era during the late 19th century, and had modern roots in the 1940s. After years of direct actions and grassroots protests, the movement made its largest legislative and judicial gains during the 1960s. The movement's major nonviolent resistance and civil disobedience campaigns eventually secured new protections in federal law for
17776-513: The court majority opinion that Segregation of white and colored children in public schools has a detrimental effect upon the colored children. The impact is greater when it has the sanction of the law; for the policy of separating the races is usually interpreted as denoting the inferiority of the Negro group. The lawyers from the NAACP had to gather plausible evidence in order to win the case of Brown vs. Board of Education . Their method of addressing
17952-719: The demand by issuing Executive Order 8802 , which barred racial discrimination and created an agency to oversee compliance with the order. The strategy of public education, legislative lobbying, and litigation that had typified the civil rights movement during the first half of the 20th century broadened after Brown to a strategy that emphasized " direct action ": boycotts, sit-ins , Freedom Rides , marches or walks, and similar tactics that relied on mass mobilization, nonviolent resistance, standing in line, and, at times, civil disobedience. Churches, local grassroots organizations, fraternal societies, and black-owned businesses mobilized volunteers to participate in broad-based actions. This
18128-456: The demographics of Northern and Western cities; happening at a period of expanded European, Hispanic, and Asian immigration, it added to social competition and tensions, with the new migrants and immigrants battling for a place in jobs and housing. Reflecting social tensions after World War I, as veterans struggled to return to the workforce and labor unions were organizing, the Red Summer of 1919
18304-699: The development of self-governance, and the First Great Awakening , a series of Christian revivals , fueled colonial interest in religious liberty . For a century, the American colonists had been providing their own troops and materiel in conflicts with indigenous peoples allied with Britain's colonial rivals , especially France, and the Americans had begun to develop a sense of self-defense and self-reliance separate from Britain. The French and Indian War (1754–1763) took on new significance for all North American colonists after Parliament under William Pitt
18480-414: The dispossession of native inhabitants . As more states were admitted , a North–South division over slavery led to the secession of the Confederate States of America , which fought states remaining in the Union in the 1861–1865 American Civil War . With the victory and preservation of the United States, slavery was abolished nationally . By 1900, the country had established itself as a great power ,
18656-586: The doctrine of separate but equal . At the culmination of a legal strategy pursued by African Americans, in 1954 the Supreme Court struck down the underpinnings of laws that allowed racial discrimination as unconstitutional in Brown v. Board of Education . The Warren Court made further pro-civil rights rulings in cases such as Browder v. Gayle (1956) and Loving v. Virginia (1967), banning segregation in public schools and public transport, and striking down all state laws against interracial marriage . Following
18832-575: The entire process of developing and training the mental, physical and moral powers and capabilities of human beings". Risa Goluboff wrote that the NAACP's intention was to show the Courts that African American children were the victims of school segregation and their futures were at risk. The Court ruled that both Plessy v. Ferguson (1896), which had established the "separate but equal" standard in general, and Cumming v. Richmond County Board of Education (1899), which had applied that standard to schools,
19008-564: The environment for labor unions to begin to flourish . This period eventually ended with the advent of the Progressive Era , which was characterized by significant reforms. Pro-American elements in Hawaii overthrew the Hawaiian monarchy ; the islands were annexed in 1898. That same year, Puerto Rico , the Philippines , and Guam were ceded to the U.S. by Spain after the latter's defeat in
19184-402: The federal government found the city was not in compliance with the 1964 Civil Rights Act. Transition to a fully integrated school system did not begin until 1971. Many Northern cities also had de facto segregation policies, which resulted in a vast gulf in educational resources between black and white communities. In Harlem , New York, for example, neither a single new school was built since
19360-527: The federal government often applied policies of Indian removal or assimilation . The Trail of Tears (1830–1850) was a U.S. government policy that forcibly removed and displaced most Native Americans living east of the Mississippi River to lands far to the west. These and earlier organized displacements prompted a long series of American Indian Wars west of the Mississippi. The Republic of Texas
19536-547: The federal government. The early 20th century is a period often referred to as the " nadir of American race relations ", when the number of lynchings was highest. While tensions and civil rights violations were most intense in the South, social discrimination affected African Americans in other regions as well. At the national level, the Southern bloc controlled important committees in Congress, defeated passage of federal laws against lynching, and exercised considerable power beyond
19712-514: The first Citizenship Schools in South Carolina 's Sea Islands . They taught literacy to enable blacks to pass voting tests. The program was an enormous success and tripled the number of black voters on Johns Island . SCLC took over the program and duplicated its results elsewhere. In the spring of 1951, black students in Virginia protested their unequal status in the state's segregated educational system. Students at Moton High School protested
19888-590: The first nuclear weapons and used them against the Japanese cities of Hiroshima and Nagasaki in August 1945, ending the war. The United States was one of the " Four Policemen " who met to plan the post-war world , alongside the United Kingdom , Soviet Union , and China . The U.S. emerged relatively unscathed from the war, with even greater economic power and international political influence . After World War II,
20064-655: The first settlement of the Thirteen Colonies in Virginia in 1607. Clashes with the British Crown over taxation and political representation sparked the American Revolution , with the Second Continental Congress formally declaring independence on July 4, 1776. Following its victory in the 1775–1783 Revolutionary War , the country continued to expand westward across North America , resulting in
20240-604: The funeral in Jet is credited as a crucial moment in the civil rights era for displaying in vivid detail the violent racism that was being directed at black people in America. In a column for The Atlantic , Vann R. Newkirk wrote: "The trial of his killers became a pageant illuminating the tyranny of white supremacy ". The state of Mississippi tried two defendants, but they were speedily acquitted by an all-white jury . "Emmett's murder," historian Tim Tyson writes, "would never have become
20416-525: The future overturning of 'separate but equal'. On May 18, 1954, Greensboro, North Carolina , became the first city in the South to publicly announce that it would abide by the Supreme Court's Brown v. Board of Education ruling. "It is unthinkable,' remarked School Board Superintendent Benjamin Smith, 'that we will try to [override] the laws of the United States." This positive reception for Brown, together with
20592-658: The general cross-cultural competencies every DoD leader should possess. The Command Climate Survey was developed by the DEOMI Research team led by Dr. Daniel P. McDonald. DEOCS is the DoD's universal survey instrument for commanders to assess their organizational climate related to human relations and organizational effectiveness issues. In the National Defense Authorization Acts of 2013 and 2015, it became law that every commander, upon assumption of command, must take
20768-401: The harm it did to all the students. The decision to integrate the school was a landmark event in the civil rights movement, and the students' bravery and determination in the face of violent opposition is remembered as a key moment in American history. The city and state were entangled in very expensive legal disputes for decades, while suffering a reputation for hatred and obstruction. During
20944-427: The individual person's attitude and mental response to crises and violence" (Civil Rights Movement Archive). Hartford and activists like him, who trained in tactical nonviolence, considered it necessary in order to ensure physical safety, instill discipline, teach demonstrators how to demonstrate, and form mutual confidence among demonstrators (Civil Rights Movement Archive). For many, the concept of nonviolent protest
21120-463: The integration of Army National Guard units and personnel into the U.S. Army and (since 1947) the U.S. Air Force. There are about 18,000 U.S. police agencies from local to national level in the United States. Law in the United States is mainly enforced by local police departments and sheriff departments in their municipal or county jurisdictions. The state police departments have authority in their respective state , and federal agencies such as
21296-426: The issue of school segregation was to enumerate several arguments. One pertained to having exposure to interracial contact in a school environment. It was argued that interracial contact would, in turn, help prepare children to live with the pressures that society exerts in regard to race and thereby afford them a better chance of living in a democracy. In addition, another argument emphasized how "'education' comprehends
21472-455: The landmark Supreme Court case of Smith v. Allwright (1944), which prohibited white primaries , progress was made in increasing black political participation in the Rim South and Acadiana – although almost entirely in urban areas and a few rural localities where most blacks worked outside plantations. The status quo ante of excluding African Americans from the political system lasted in
21648-441: The last African Americans were elected to Congress from the South before disenfranchisement of blacks by states throughout the region, as described below. From 1890 to 1908, southern states passed new constitutions and laws to disenfranchise African Americans and many Poor Whites by creating barriers to voter registration; voting rolls were dramatically reduced as blacks and poor whites were forced out of electoral politics. After
21824-482: The leadership of Walter Reuther , the United Auto Workers donated $ 75,000 to help pay for the NAACP's efforts at the Supreme Court. On May 17, 1954, the U.S. Supreme Court under Chief Justice Earl Warren ruled unanimously in Brown v. Board of Education of Topeka, Kansas , that mandating, or even permitting, public schools to be segregated by race was unconstitutional . Chief Justice Warren wrote in
22000-641: The leadership of the first director, Col. Edward F. Krise, USA. In July 1979 the name was changed to the Defense Equal Opportunity Management Institute, to reflect the growing array of issues included in DEOMI courses, including sexual harassment, sexism, extremism, religious accommodation, and anti-Semitism . More than 20,000 reserve and active duty military members and civilian employees of the American armed forces have graduated from DEOMI since its creation. The history of race relations in
22176-419: The method of nonviolence and why it is considered useful, and there is the tactical method, which ultimately teaches demonstrators "how to be a protestor—how to sit-in, how to picket, how to defend yourself against attack, giving training on how to remain cool when people are screaming racist insults into your face and pouring stuff on you and hitting you" (Civil Rights Movement Archive). The philosophical basis of
22352-477: The military draft (leading to the end of conscription in 1973) and wide opposition to U.S. intervention in Vietnam (with the U.S. totally withdrawing in 1975). A societal shift in the roles of women was significantly responsible for the large increase in female paid labor participation during the 1970s, and by 1985 the majority of American women aged 16 and older were employed. The late 1980s and early 1990s saw
22528-466: The military pressed for full civil rights and often led activist movements. In 1948, President Harry Truman issued Executive Order 9981 , which ended segregation in the military . Housing segregation became a nationwide problem following the Great Migration of black people out of the South. Racial covenants were employed by many real estate developers to "protect" entire subdivisions , with
22704-612: The most attractive to the population are the most vulnerable. The U.S. is one of 17 megadiverse countries containing large numbers of endemic species : about 17,000 species of vascular plants occur in the contiguous United States and Alaska, and over 1,800 species of flowering plants are found in Hawaii, few of which occur on the mainland. The United States is home to 428 mammal species, 784 birds, 311 reptiles, 295 amphibians , and around 91,000 insect species. There are 63 national parks , and hundreds of other federally managed parks, forests, and wilderness areas , managed by
22880-642: The most violent, the California genocide of thousands of Native inhabitants, lasted into the early 1870s, just as additional western territories and states were created. During the colonial period, slavery had been legal in the American colonies , though the practice began to be significantly questioned during the American Revolution. States in the North enacted abolition laws , though support for slavery strengthened in Southern states , as inventions such as
23056-521: The number of whites in the South. Characteristics of the post-Reconstruction period: African Americans and other ethnic minorities rejected this regime. They resisted it in numerous ways and sought better opportunities through lawsuits, new organizations, political redress, and labor organizing (see the Civil rights movement (1896–1954) ). The National Association for the Advancement of Colored People (NAACP)
23232-464: The original casket to the Smithsonian's National Museum of African American Culture and History, where it is now on display. In 2007, Bryant said that she had fabricated the most sensational part of her story in 1955. On December 1, 1955, nine months after a 15-year-old high school student, Claudette Colvin , refused to give up her seat to a white passenger on a public bus in Montgomery, Alabama, and
23408-500: The overcrowded conditions and failing facility. Some local leaders of the NAACP had tried to persuade the students to back down from their protest against the Jim Crow laws of school segregation. When the students did not budge, the NAACP joined their battle against school segregation. The NAACP proceeded with five cases challenging the school systems; these were later combined under what is known today as Brown v. Board of Education . Under
23584-408: The policy of redlining later adopted by the federal Home Owners' Loan Corporation . An explosion of technological advancement accompanied by the exploitation of cheap immigrant labor led to rapid economic expansion during the late 19th and early 20th centuries , allowing the United States to outpace the economies of England, France, and Germany combined. This fostered the amassing of power by
23760-497: The practice of nonviolence in the American civil rights movement was largely inspired by Mahatma Gandhi 's "non-cooperation" policies during his involvement in the Indian independence movement , which were intended to gain attention so that the public would either "intervene in advance" or "provide public pressure in support of the action to be taken" (Erikson, 415). As Hartford explains it, philosophical nonviolence training aims to "shape
23936-445: The pressure of the lawsuit with a school boycott in 1959. During the boycott, some of the first freedom schools of the period were established. The city responded to the campaign by permitting more open transfers to high-quality, historically white schools. (New York's African-American community, and Northern desegregation activists generally, now found themselves contending with the problem of white flight , however.) Emmett Till ,
24112-553: The primary colonial grievances was a denial of their rights as Englishmen , particularly the right to representation in the British government that taxed them . To demonstrate their dissatisfaction and resolve, the First Continental Congress met in 1774 and passed the Continental Association , a colonial boycott of British goods that proved effective. The British attempt to then disarm the colonists resulted in
24288-446: The primary intent to keep " white " neighborhoods "white". Ninety percent of the housing projects built in the years following World War II were racially restricted by such covenants. Cities known for their widespread use of racial covenants include Chicago , Baltimore , Detroit , Milwaukee , Los Angeles , Seattle , and St. Louis . Said premises shall not be rented, leased, or conveyed to, or occupied by, any person other than of
24464-475: The remainder of the South, especially North Louisiana , Mississippi and Alabama, until national civil rights legislation was passed in the mid-1960s to provide federal enforcement of constitutional voting rights. For more than sixty years, blacks in the South were essentially excluded from politics, unable to elect anyone to represent their interests in Congress or local government. Since they could not vote, they could not serve on local juries. During this period,
24640-618: The rental or sale of housing. African Americans re-entered politics in the South, and the Black Power movement emerged, which criticized leaders of the existing movement for their cooperative attitude and adherence to legalism and nonviolence . Black Power leaders, including within the Black Panther Party , demanded not only legal equality, but also economic self-sufficiency for the community. Support for Black Power came from African Americans who had seen little material improvement since
24816-515: The rights of African Americans . National infrastructure, including transcontinental telegraph and railroads , spurred growth in the American frontier . From 1865 through 1917 an unprecedented stream of immigrants arrived in the United States, including 24.4 million from Europe. Most came through the port of New York City , and New York City and other large cities on the East Coast became home to large Jewish , Irish , and Italian populations, while many Germans and Central Europeans moved to
24992-596: The rocky Great Basin and Chihuahua , Sonoran , and Mojave deserts. In the northwest corner of Arizona , carved by the Colorado River over millions of years, is the Grand Canyon , a steep-sided canyon and popular tourist destination known for its overwhelming visual size and intricate, colorful landscape. The Sierra Nevada and Cascade mountain ranges run close to the Pacific coast . The lowest and highest points in
25168-459: The same time as African Americans were being disenfranchised, white southerners imposed racial segregation by law. Violence against blacks increased, with numerous lynchings through the turn of the century. The system of de jure state-sanctioned racial discrimination and oppression that emerged from the post-Reconstruction South became known as the " Jim Crow " system. The United States Supreme Court made up almost entirely of Northerners, upheld
25344-563: The six service branches, which are made up of the U.S. Army , Marine Corps , Navy , Air Force , and Space Force . The Coast Guard is administered by the Department of Homeland Security in peacetime and can be transferred to the Department of the Navy in wartime. The United States spent $ 916 billion on its military in 2023, which is by far the largest amount of any country , making up 37% of global military spending and accounting for 3.4% of
25520-528: The sole authority of a state government. SDFs are authorized by state and federal law but are under the command of the state's governor . They are distinct from the state's National Guard units in that they cannot become federalized entities. A state's National Guard personnel, however, may be federalized under the National Defense Act Amendments of 1933 , which created the Guard and provides for
25696-543: The states are also represented by local elected governments , which are administrative divisions of the states. States are subdivided into counties or county equivalents , and further divided into municipalities . The District of Columbia is a federal district containing the U.S. capital, Washington, D.C. . The federal district is an administrative division of the federal government. Federally recognized tribes govern 326 Indian reservations . The United States has an established structure of foreign relations, and it has
25872-634: The states failed to implement the acts, the laws allowed the Federal Government to get involved. Many Republican governors were afraid of sending black militia troops to fight the Klan for fear of war. After the disputed election of 1876, which resulted in the end of Reconstruction and the withdrawal of federal troops, whites in the South regained political control of the region's state legislatures. They continued to intimidate and violently attack blacks before and during elections to suppress their voting, but
26048-504: The structure and responsibilities of the national federal government and its relationship with the individual states. The U.S. Constitution is the world's oldest national constitution still in effect (from March 4, 1789). Composed of three branches, all headquartered in Washington, D.C., the federal government is the national government of the United States. It is regulated by a strong system of checks and balances . The three-branch system
26224-432: The time period considered to be the "African-American civil rights" era, the predominant use of protest was nonviolent, or peaceful. Often referred to as pacifism, the method of nonviolence is considered to be an attempt to impact society positively. Although acts of racial discrimination have occurred historically throughout the United States, perhaps the most violent regions have been in the former Confederate states. During
26400-580: The total force. The DEOMI Press is the editing and publishing arm of the Defense Equal Opportunity Management Institute. The DEOMI Press edits and publishes DEOMI's newsletters, periodicals, technical reports, and cultural observance materials. The DEOMI Press was established in 2010 by Dr. Daniel P. McDonald, executive director of research, development, and strategic Initiatives at DEOMI. In addition to residential courses and off-site programs led by its training teams, DEOMI's Research Directorate, led by Dr. Daniel P. McDonald, conducts research for all branches of
26576-536: The turn of the century, nor did a single nursery school exist – even as the Second Great Migration was causing overcrowding. Existing schools tended to be dilapidated and staffed with inexperienced teachers. Brown helped stimulate activism among New York City parents like Mae Mallory who, with the support of the NAACP, initiated a successful lawsuit against the city and state on Brown 's principles. Mallory and thousands of other parents bolstered
26752-414: The unanimous Supreme Court ruling, many states began to gradually integrate their schools, but some areas of the South resisted by closing public schools altogether. The integration of Southern public libraries followed demonstrations and protests that used techniques seen in other elements of the larger civil rights movement. This included sit-ins, beatings, and white resistance. For example, in 1963 in
26928-440: The white or Caucasian race. While many whites defended their space with violence, intimidation, or legal tactics toward black people, many other whites migrated to more racially homogeneous suburban or exurban regions, a process known as white flight . From the 1930s to the 1960s, the National Association of Real Estate Boards (NAREB) issued guidelines that specified that a realtor "should never be instrumental in introducing to
27104-428: The white-dominated Democratic Party maintained political control of the South. With whites controlling all the seats representing the total population of the South, they had a powerful voting bloc in Congress. The Republican Party —the "party of Lincoln" and the party to which most blacks had belonged—shrank to insignificance except in remote Unionist areas of Appalachia and the Ozarks as black voter registration
27280-406: The world's fourth-longest river system , runs predominantly north–south through the heart of the country. The flat and fertile prairie of the Great Plains stretches to the west, interrupted by a highland region in the southeast. The Rocky Mountains , west of the Great Plains, extend north to south across the country, peaking at over 14,000 feet (4,300 m) in Colorado . Farther west are
27456-449: The world's second-largest diplomatic corps as of 2024 . It is a permanent member of the United Nations Security Council , and home to the United Nations headquarters . The United States is a member of the G7 , G20 , and OECD intergovernmental organizations. Almost all countries have embassies and many have consulates (official representatives) in the country. Likewise, nearly all countries host formal diplomatic missions with
27632-461: The world's third-largest land area , largest exclusive economic zone , and third-largest population , exceeding 334 million. Its three largest metropolitan areas are New York , Los Angeles , and Chicago , and its three most populous states are California , Texas , and Florida . Paleo-Indians migrated across the Bering land bridge more than 12,000 years ago, and formed various civilizations and societies . British colonization led to
27808-444: The world's oldest surviving federation, and its presidential system of national government has been adopted, in whole or in part, by many newly independent states worldwide following their decolonization . It is a liberal representative democracy "in which majority rule is tempered by minority rights protected by law ". The Constitution of the United States serves as the country's supreme legal document , also establishing
27984-423: The world's tornadoes occur in the country , mainly in Tornado Alley . Overall, the United States receives more high-impact extreme weather incidents than any other country. Extreme weather became more frequent in the U.S. in the 21st century, with three times the number of reported heat waves as in the 1960s. In the American Southwest , droughts became more persistent and more severe. The regions considered as
28160-442: The world, with almost 2 million people incarcerated . An analysis of the World Health Organization Mortality Database from 2010 showed U.S. homicide rates "were 7 times higher than in other high-income countries, driven by a gun homicide rate that was 25 times higher". The U.S. has been the world's largest economy nominally since about 1890 . The 2023 nominal U.S. gross domestic product (GDP) of more than $ 27 trillion
28336-458: Was annexed in 1845, and the 1846 Oregon Treaty led to U.S. control of the present-day American Northwest . Victory in the Mexican–American War resulted in the 1848 Mexican Cession of California, Nevada, Utah, and much of present-day Colorado and the American Southwest . The California gold rush of 1848–1849 spurred a huge migration of white settlers to the Pacific coast, leading to even more confrontations with Native populations. One of
28512-405: Was a more direct and potentially more rapid means of creating change than the traditional approach of mounting court challenges used by the NAACP and others. In 1952, the Regional Council of Negro Leadership (RCNL), led by T. R. M. Howard , a black surgeon, entrepreneur, and planter organized a successful boycott of gas stations in Mississippi that refused to provide restrooms for blacks. Through
28688-404: Was a way of life, a culture. However, not everyone agreed with this notion. James Forman, former SNCC (and later Black Panther) member, and nonviolence trainer was among those who did not. In his autobiography, The Making of Black Revolutionaries , Forman revealed his perspective on the method of nonviolence as "strictly a tactic, not a way of life without limitations." Similarly, Bob Moses , who
28864-703: Was adopted on July 4, 1776. The political values of the American Revolution included liberty , inalienable individual rights ; and the sovereignty of the people ; supporting republicanism and rejecting monarchy , aristocracy , and all hereditary political power; civic virtue ; and vilification of political corruption . The Founding Fathers of the United States , who included Washington, Jefferson, John Adams , Benjamin Franklin , Alexander Hamilton , John Jay , James Madison , Thomas Paine , and many others, were inspired by Greco-Roman , Renaissance , and Enlightenment philosophies and ideas. The Articles of Confederation were ratified in 1781 and established
29040-401: Was also an active member of SNCC , felt that the method of nonviolence was practical. When interviewed by author Robert Penn Warren, Moses said "There's no question that he ( Martin Luther King Jr. ) had a great deal of influence with the masses. But I don't think it's in the direction of love. It's in a practical direction … ." (Who Speaks for the Negro? Warren). According to a 2020 study in
29216-491: Was arrested, Rosa Parks did the same thing. Parks soon became the symbol of the resulting Montgomery bus boycott and received national publicity. She was later hailed as the "mother of the civil rights movement". Parks was secretary of the Montgomery NAACP chapter and had recently returned from a meeting at the Highlander Folk School in Tennessee where nonviolence as a strategy was taught by Myles Horton and others. After Parks' arrest, African Americans gathered and organized
29392-413: Was dedicated to the first Director of Research at DEOMI who pioneered much of the research that supported the training and education on human relations taught even today. The "Hope Center" focuses on enhancing the understanding of human relations within the DoD, developing new methodologies for improving those relations, and developing and testing new technologies that can be used toward improved readiness of
29568-417: Was discovered and retrieved from the river. After Emmett's mother, Mamie Till , came to identify the remains of her son, she decided she wanted to "let the people see what I have seen". Till's mother then had his body taken back to Chicago where she had it displayed in an open casket during the funeral services where many thousands of visitors arrived to show their respects. A later publication of an image at
29744-404: Was elected the country's first president under the Constitution, and the Bill of Rights was adopted in 1791 to allay skeptics' concerns about the power of the more centralized government. His resignation as commander-in-chief after the Revolutionary War and his later refusal to run for a third term as the country's first president established a precedent for the supremacy of civil authority in
29920-438: Was elected President of this organization. The lengthy protest attracted national attention for him and the city. His eloquent appeals to Christian brotherhood and American idealism created a positive impression on people both inside and outside the South. The Little Rock Nine were a group of nine students who attended segregated black high schools in Little Rock , the capital of the state of Arkansas. They each volunteered when
30096-454: Was founded in 1909. It fought to end race discrimination through litigation , education, and lobbying efforts. Its crowning achievement was its legal victory in the Supreme Court decision Brown v. Board of Education (1954), when the Warren Court ruled that segregation of public schools in the US was unconstitutional and, by implication, overturned the " separate but equal " doctrine established in Plessy v. Ferguson of 1896. Following
30272-437: Was marked by hundreds of deaths and higher casualties across the U.S. as a result of white race riots against blacks that took place in more than three dozen cities. Urban problems such as crime and disease were blamed on the large influx of Southern blacks to cities in the north and west, based on stereotypes of rural southern African-Americans. Overall, blacks in Northern and Western cities experienced systemic discrimination in
30448-410: Was suppressed. The Republican lily-white movement also gained strength by excluding blacks. Until 1965, the " Solid South " was a one-party system under the white Democrats. Excepting the previously noted historic Unionist strongholds the Democratic Party nomination was tantamount to election for state and local office. In 1901, President Theodore Roosevelt invited Booker T. Washington , president of
30624-424: Was the highest in the world, constituting over 25% of the global economy or 15% at purchasing power parity (PPP). From 1983 to 2008, U.S. real compounded annual GDP growth was 3.3%, compared to a 2.3% weighted average for the rest of the G7 . The country ranks first in the world by nominal GDP , second when adjusted for purchasing power parities (PPP), and ninth by PPP-adjusted GDP per capita . It possesses
30800-424: Was to preserve the peace, deployed the Arkansas National Guard to prevent the black students from entering the school. Faubus defied federal court orders, whereupon President Dwight D. Eisenhower intervened. He federalized the Arkansas National Guard and sent them home. Then he sent in an elite Army unit to escort the students to school and protect them between classes during the 1957–58 school year. In class, however,
30976-506: Was unconstitutional. The federal government filed a friend of the court brief in the case urging the justices to consider the effect that segregation had on America's image in the Cold War . Secretary of State Dean Acheson was quoted in the brief stating that "The United States is under constant attack in the foreign press, over the foreign radio, and in such international bodies as the United Nations because of various practices of discrimination in this country." The following year, in
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