132-508: A demilitarized zone ( DMZ or DZ ) is an area in which treaties or agreements between states, military powers or contending groups forbid military installations, activities, or personnel. A DZ often lies along an established frontier or boundary between two or more military powers or alliances. A DZ may sometimes form a de facto international border, such as the Korean Demilitarized Zone . Other examples of demilitarized zones are
264-523: A "wall" divided Korea. He said the south side of the wall is packed with soil, which permits access to the top of the wall and makes it effectively invisible from the south side. He also claimed that it served as a bridgehead for any northward invasion. The United States and South Korea deny the wall's existence, although they do claim there are anti-tank barriers along some sections of the DMZ. Dutch journalist and filmmaker Peter Tetteroo also shot footage of
396-507: A 14 km (8.7 mi) wide area between Iraq and Kuwait ; Antarctica (preserved for scientific exploration and study); and outer space (space more than 100 km or 62 mi from the Earth's surface). Some zones remain demilitarized after an agreement has awarded control to a state which (under the DZ terms) had originally ceded its right to maintain military forces in the disputed territory. It
528-767: A German rebuilding effort set forth by western European countries in 1948, the US, Britain and France spearheaded the establishment of the Federal Republic of Germany from the three Western zones of occupation in April 1949. The Soviet Union proclaimed its zone of occupation in Germany the German Democratic Republic that October. Media in the Eastern Bloc was an organ of the state , completely reliant on and subservient to
660-744: A Soviet tourist named Vasily Matuzok (sometimes spelled Matusak), who was part of an official trip to the JSA (hosted by the North), ran across the MDL shouting that he wanted to defect to the South. As many as 30 North Korean soldiers pursued him across the border, opening fire. Border guards on the South Korean side returned fire, eventually surrounding the North Koreans. One South Korean and three North Korean soldiers were killed in
792-582: A barrier in 2001 which his North Korean guides said was the Korean Wall. A 2007 Reuters report revealed that there is no coast to coast wall located across the DMZ and that the pictures of a "wall" which have been used in North Korean propaganda have merely been pictures of concrete anti-tank barriers. While 800,000 landmines were being removed in 2018, it was shown that the Joint Security Area along
924-407: A border incident occurred where two South Korean soldiers were wounded after stepping on landmines that had allegedly been laid on the southern side of the DMZ by North Korean forces near an ROK guard post. Both North Korea and South Korea then resumed broadcasting propaganda by loudspeaker. After four days of negotiations, on 25 August 2015 South Korea agreed to discontinue the broadcasts following
1056-609: A buffer zone 4 km (2.5 mi) wide. The Military Demarcation Line (MDL) goes through the center of the DMZ and indicates where the front was when the agreement was signed. Owing to this theoretical stalemate, and genuine hostility between the North and the South, large numbers of troops are stationed along both sides of the line, each side guarding against potential aggression from the other side, even 71 years after its establishment. The armistice agreement explains exactly how many military personnel and what kind of weapons are allowed in
1188-510: A major propaganda effort began in 1949 was Radio Free Europe/Radio Liberty , dedicated to bringing about the peaceful demise of the communist system in the Eastern Bloc. Radio Free Europe attempted to achieve these goals by serving as a surrogate home radio station, an alternative to the controlled and party-dominated domestic press in the Soviet Bloc. Radio Free Europe was a product of some of
1320-626: A neutral Germany to prevent West Germany's incorporation into NATO, but his attempts were cut short after he was executed several months later during a Soviet power struggle. The events led to the establishment of the Bundeswehr , the West German military, in 1955. In 1949, CCP Chairman Mao Zedong 's People's Liberation Army defeated Chiang Kai-shek 's United States-backed Kuomintang (KMT) Nationalist Government in China. The KMT-controlled territory
1452-655: A new war". On 6 September 1946, James F. Byrnes delivered a speech in Germany repudiating the Morgenthau Plan (a proposal to partition and de-industrialize post-war Germany) and warning the Soviets that the US intended to maintain a military presence in Europe indefinitely. As Byrnes stated a month later, "The nub of our program was to win the German people ... it was a battle between us and Russia over minds ..." In December,
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#17328371921841584-708: A number of buildings for joint meetings called Conference Rooms. The MDL goes through the conference rooms and down the middle of the conference tables where the North Koreans and the United Nations Command (primarily South Koreans and Americans) meet face to face. Facing the Conference Row buildings are the North Korean Panmungak (English: Panmun Hall ) and the South Korean Freedom House . In 1994, North Korea enlarged Panmungak by adding
1716-683: A plan envisioning an economically self-sufficient Germany, including a detailed accounting of the industrial plants, goods and infrastructure already taken by the Soviets. In June 1947, in accordance with the Truman Doctrine , the United States enacted the Marshall Plan , a pledge of economic assistance for all European countries willing to participate, including the Soviet Union. Under the plan, which President Harry S. Truman signed on 3 April 1948,
1848-613: A secret 1950 document, the National Security Council proposed reinforcing pro-Western alliance systems and quadrupling spending on defense. Truman, under the influence of advisor Paul Nitze , saw containment as implying complete rollback of Soviet influence in all its forms. United States officials moved to expand this version of containment into Asia , Africa , and Latin America , in order to counter revolutionary nationalist movements, often led by communist parties financed by
1980-586: A series of skirmishes along the DMZ resulted in the deaths of 81 American , 299 South Korean and 397 North Korean soldiers . This included the Blue House Raid in 1968, an attempt to assassinate South Korea President Park Chung Hee at the Blue House . In 1976, in now-declassified meeting minutes, U.S. deputy secretary of defense William Clements told U.S. secretary of state Henry Kissinger that there had been 200 raids or incursions into North Korea from
2112-522: A skeleton crew of caretakers in an effort to preserve the illusion of activity. In the 1980s, the South Korean government built a 100 m (328 ft) flag pole in Daeseong-dong, which flies a South Korean flag weighing 130 kg (287 lb). The North Korean government responded by building the 160 m (525 ft) Panmunjeom flagpole in Kijŏng-dong, only 1.2 km (0.7 mi) west of
2244-477: A source of intelligence. During the late 1970s and 1980s, the KGB perfected its use of espionage to sway and distort diplomacy. Active measures were "clandestine operations designed to further Soviet foreign policy goals," consisting of disinformation, forgeries, leaks to foreign media, and the channeling of aid to militant groups. Retired KGB Major General Oleg Kalugin , former head of Foreign Counter Intelligence for
2376-503: A statement from North Korea's government expressing regret for the landmine incident. On 8 January 2016, in response to North Korea's supposed successful testing of a hydrogen bomb , South Korea resumed broadcasts directed at the North. On 15 April 2016, it was reported that the South Koreans purchased a new audio system to combat the North's broadcasts. Both North and South Korea have held balloon propaganda leaflet campaigns since
2508-429: A subsequent exploration of this tunnel, US Navy Commander Robert M. Ballinger and ROK Marine Corps Major Kim Hah-chul were killed in the tunnel by a North Korean explosive device. The blast also wounded five Americans and one South Korean from the United Nations Command. The tunnel, which was about 0.9 by 1.2 m (3 by 4 ft), extended more than 1 km (1,100 yd) beyond the MDL into South Korea. The tunnel
2640-708: A third floor. In 1998, South Korea built a new Freedom House for its Red Cross staff and to possibly host reunions of families separated by the Korean War. The new building incorporated the old Freedom House Pagoda within its design. Since 1953 there have been occasional confrontations and skirmishes within the JSA. The axe murder incident in August 1976 involved the attempted trimming of a tree which resulted in two deaths ( Captain Arthur Bonifas and First Lieutenant Mark Barrett). Another incident occurred on 23 November 1984, when
2772-530: A unified and neutral Germany was undesirable, with Walter Bedell Smith telling General Eisenhower "in spite of our announced position, we really do not want nor intend to accept German unification on any terms that the Russians might agree to, even though they seem to meet most of our requirements." Shortly thereafter, Stalin instituted the Berlin Blockade (June 1948 – May 1949), one of the first major crises of
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#17328371921842904-484: Is 162 m (531 ft). It is currently the world's sixth largest flagpole. Since demarcation, the DMZ has had numerous cases of incidents and incursions by both sides, although the North Korean government typically never acknowledges direct responsibility for any of these incidents (there are exceptions, such as the axe incident). This was particularly intense during the Korean DMZ Conflict (1966–1969) when
3036-448: Is also possible for powers to agree on the demilitarization of a zone without formally settling their respective territorial claims, enabling the dispute to be resolved by peaceful means such as diplomatic dialogue or an international court. Several demilitarized zones have also unintentionally become wildlife preserves because their land is unsafe for construction or less exposed to human disturbances (including hunting). Examples include
3168-433: Is located between 50 and 160 m (160 and 520 ft) below ground, but is larger than the first, approximately 2 by 2 m (7 by 7 feet). The third tunnel was discovered on 17 October 1978. Unlike the previous two, the third tunnel was discovered following a tip from a North Korean defector . This tunnel is about 1,600 m (5,200 ft) long and about 73 m (240 ft) below ground. Foreign visitors touring
3300-470: The 38th parallel north , which was the border before the Korean War . It crosses the parallel on an angle, with the west end of the DMZ lying south of the parallel and the east end lying north of it. The DMZ is 250 km (160 mi) long, approximately 4 km (2.5 mi) wide. Though the zone itself is demilitarized, the zone's borders on both sides are some of the most heavily militarized borders in
3432-551: The Baltic to Trieste in the Adriatic ". A week later, on 13 March, Stalin responded vigorously to the speech, saying Churchill could be compared to Adolf Hitler insofar as he advocated the racial superiority of English-speaking nations so that they could satisfy their hunger for world domination, and that such a declaration was "a call for war on the USSR." The Soviet leader also dismissed
3564-754: The Berlin Wall to prevent the citizens of East Berlin from fleeing to West Berlin , at the time part of United States-allied West Germany . Major crises of this phase included the Berlin Blockade of 1948–1949, the Chinese Communist Revolution of 1945–1949, the Korean War of 1950–1953, the Hungarian Revolution of 1956 and the Suez Crisis of that same year, the Berlin Crisis of 1961 ,
3696-852: The Cuban Missile Crisis of 1962, and the Vietnam War of 1964–1975. Both superpowers competed for influence in Latin America and the Middle East , and the decolonising states of Africa , Asia , and Oceania . Following the Cuban Missile Crisis, this phase of the Cold War saw the Sino-Soviet split . Between China and the Soviet Union's complicated relations within the Communist sphere, leading to
3828-837: The Eastern Bloc . Cominform faced an embarrassing setback the following June, when the Tito–Stalin split obliged its members to expel Yugoslavia, which remained communist but adopted a non-aligned position and began accepting financial aid from the US. Besides Berlin, the status of the city of Trieste was at issue. Until the break between Tito and Stalin, the Western powers and the Eastern bloc faced each other uncompromisingly. In addition to capitalism and communism, Italians and Slovenes, monarchists and republicans as well as war winners and losers often faced each other irreconcilably. The neutral buffer state Free Territory of Trieste , founded in 1947 with
3960-503: The KGB and involved in its intelligence operations, adhered to Moscow's line, although dissent began to appear after 1956. Other critiques of the consensus policy came from anti-Vietnam War activists , the Campaign for Nuclear Disarmament , and the anti-nuclear movement . In early 1947, France, Britain and the United States unsuccessfully attempted to reach an agreement with the Soviet Union for
4092-506: The Kingdom of Greece in its civil war against Communist-led insurgents. In the same month, Stalin conducted the rigged 1947 Polish legislative election which constituted an open breach of the Yalta Agreement . The US government responded to this announcement by adopting a policy of containment , with the goal of stopping the spread of communism . Truman delivered a speech calling for
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4224-472: The Korean Demilitarized Zone , the Cypriot Demilitarized Zone ( The Green Line ), and the former Vietnamese Demilitarized Zone which divided Vietnam into two countries ( North Vietnam and South Vietnam ) from 21 July 1954 to 2 July 1976. Korean Demilitarized Zone The Korean Demilitarized Zone ( Korean : 한반도 비무장 지대 ) is a heavily militarized strip of land running across
4356-678: The Korean Peninsula near the 38th parallel north . The demilitarized zone (DMZ) is a border barrier that divides the peninsula roughly in half. It was established to serve as a buffer zone between the sovereign states of the Democratic People's Republic of Korea (North Korea) and the Republic of Korea (South Korea) under the provisions of the Korean Armistice Agreement in 1953, an agreement between North Korea, China , and
4488-668: The Marshall Plan in 1948 to assist in Western Europe's economic recovery, and founded the NATO military alliance in 1949 (which was matched by the Soviet-led Warsaw Pact in 1955). The Berlin Blockade took place, and Germany's occupation zones solidified into East and West Germany in 1949. The USSR tested its first nuclear weapon in August 1949, four years after the U.S.'s first test , thus starting an arms race. A major proxy war
4620-465: The Second World and was also tied to a network of authoritarian states. The Soviet Union had a command economy and installed similarly communist regimes its in satellites. United States involvement in regime change during the Cold War included support for anti-communist and right-wing dictatorships , governments, and uprisings across the world, while Soviet involvement in regime change included
4752-556: The Sino-Soviet border conflict , while France, a Western Bloc state, began to demand greater autonomy of action. The Warsaw Pact invasion of Czechoslovakia occurred to suppress the Prague Spring of 1968, while the United States experienced internal turmoil from the civil rights movement and opposition to United States involvement in the Vietnam War . In the 1960s–1970s, an international peace movement took root among citizens around
4884-718: The Soviet boycott of the Allied Control Council and its incapacitation, an event marking the beginning of the full-blown Cold War and the end of its prelude, as well as ending any hopes at the time for a single German government and leading to formation in 1949 of the Federal Republic of Germany and German Democratic Republic . The twin policies of the Truman Doctrine and the Marshall Plan led to billions in economic and military aid for Western Europe, Greece, and Turkey. With
5016-524: The Soviet Union (USSR) and their respective allies, the Western Bloc and the Eastern Bloc , that started in 1947, two years after the end of World War II , and lasted until the fall of the Soviet Union in 1991. The term cold war is used because there was no direct fighting between the two superpowers , though each supported opposing sides in major regional conflicts known as proxy wars . Aside from
5148-593: The Turkish Straits crisis and Black Sea border disputes were also a major factor in increasing tensions. In September, the Soviet side produced the Novikov telegram, sent by the Soviet ambassador to the US but commissioned and "co-authored" by Vyacheslav Molotov ; it portrayed the US as being in the grip of monopoly capitalists who were building up military capability "to prepare the conditions for winning world supremacy in
5280-526: The United Nations Command . The DMZ is 250 kilometers (160 mi) long and about 4 kilometers (2.5 mi) wide. There have been various incidents in and around the DMZ , with military and civilian casualties on both sides. Within the DMZ is a meeting point between the two Korean states, where negotiations take place: the small Joint Security Area (JSA) near the western end of the zone. The Korean Demilitarized Zone intersects but does not follow
5412-547: The United Nations Security Council Resolution 82 and 83 backed the defense of South Korea, although the Soviets were then boycotting meetings in protest of the fact that Taiwan (Republic of China), not the People's Republic of China , held a permanent seat on the council. A UN force of sixteen countries faced North Korea, although 40 percent of troops were South Korean, and about 50 percent were from
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5544-461: The nuclear arms race starting in 1949 and conventional military deployment , the struggle for dominance was expressed indirectly via psychological warfare , propaganda campaigns , espionage , far-reaching embargoes , sports diplomacy , and technological competitions such as the Space Race . The US and USSR were both part of the Allies of World War II , the military coalition which had defeated Nazi Germany and Imperial Japan in 1945. After
5676-466: The "Peace Village"), in North Korea, are the only settlements allowed by the armistice committee to remain within the boundaries of the DMZ. Residents of Tae Sung Dong are governed and protected by the United Nations Command and are generally required to spend at least 240 nights per year in the village to maintain their residency. In 2008, the village had a population of 218 people. The villagers of Tae Sung Dong are direct descendants of people who owned
5808-426: The 1950s. The town was oriented so that the bright blue roofs and white sides of the buildings would be the most distinguishing features when viewed from the border. However, based on scrutiny with modern telescopic lenses, it has been confirmed that the buildings are mere concrete shells lacking window glass or even interior rooms, with the building lights turned on and off at set times and the empty sidewalks swept by
5940-446: The British newspaper Tribune . Contemplating a world living in the shadow of the threat of nuclear warfare , Orwell looked at James Burnham 's predictions of a polarized world, writing: Looking at the world as a whole, the drift for many decades has been not towards anarchy but towards the reimposition of slavery... James Burnham's theory has been much discussed, but few people have yet considered its ideological implications—that is,
6072-468: The Civilian Control Line. The Civilian Control Zone is necessary for the military to monitor civilian travel to tourist destinations close to the Southern Limit Line of the DMZ like the discovered infiltration tunnels and tourist observatories. Usually when traveling within the Civilian Control Zone, South Korean soldiers accompany tourist buses and cars as armed guards to monitor the civilians as well as to protect them from North Korean intruders. Right after
6204-414: The Cold War was in its essence a war of ideas. The United States, acting through the CIA, funded a long list of projects to counter the communist appeal among intellectuals in Europe and the developing world. The CIA also covertly sponsored a domestic propaganda campaign called Crusade for Freedom . The rearmament of West Germany was achieved in the early 1950s. Its main promoter was Konrad Adenauer ,
6336-404: The Cold War, preventing Western food, materials and supplies from arriving in the West Germany's exclave of West Berlin . The United States (primarily), Britain, France, Canada, Australia, New Zealand, and several other countries began the massive "Berlin airlift", supplying West Berlin with food and other provisions despite Soviet threats. The Soviets mounted a public relations campaign against
6468-408: The Communist governments militarily. The fall of the Iron Curtain after the Pan-European Picnic and the Revolutions of 1989 , which represented a peaceful revolutionary wave with the exception of the Romanian revolution and the Afghan Civil War (1989–1992) , overthrew almost all of the Marxist–Leninist regimes of the Eastern Bloc. The Communist Party of the Soviet Union itself lost control in
6600-414: The DMZ. According to a 2018 article in The Economist , North Korea could bombard Seoul with over 10,000 rounds every minute. Experts believe that 60 percent of its total artillery is positioned within a few kilometers of the DMZ acting as a deterrent against any South Korean invasion. From 1953 until 2004, both sides broadcast audio propaganda across the DMZ. Massive loudspeakers mounted on several of
6732-473: The DMZ. In addition to using balloons as a means of delivery, North Koreans have also used rockets to send leaflets to the DMZ. On 23 April 2018, both North and South Korea officially cancelled their border propaganda broadcasts. On 1 May 2018, the loudspeaker systems across the Korean border were dismantled. Both sides also committed to ending the balloon campaigns. On 5 May 2018, an attempt by North Korean defectors to disperse more balloon propaganda across
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#17328371921846864-413: The DMZ. Soldiers from both sides may patrol inside the DMZ, but they may not cross the MDL. Sporadic outbreaks of violence in and around the border have killed over 500 South Korean soldiers, 50 American soldiers and 250 North Korean soldiers along the DMZ between 1953 and 1999. Daeseong-dong (also written Tae Sung Dong and known as “Freedom Village”), in South Korea, and Kijŏng-dong (also known as
6996-570: The Demilitarized Zone. Both North and South Korea maintain peace villages in sight of each other's side of the DMZ. In the South, Daeseong-dong is administered under the terms of the DMZ. Villagers are classed as South Korean citizens, but are exempt from paying tax and other civic requirements such as military service . In the North, Kijŏng-dong features a number of brightly painted, poured-concrete multi-story buildings and apartments with electric lighting. These features represented an unheard-of level of luxury for rural Koreans, North or South, in
7128-436: The Eastern Bloc in 1989 and the collapse of the Soviet Union in 1991. The Western Bloc included the US and a number of First World nations that were generally capitalist and liberal democratic but tied to a network of often authoritarian Third World states, most of which were the European powers' former colonies . The Eastern Bloc was led by the Soviet Union and its communist party , which had an influence across
7260-400: The KGB (1973–1979), described active measures as "the heart and soul of Soviet intelligence ." During the Sino-Soviet split , "spy wars" also occurred between the USSR and PRC. In September 1947, the Soviets created Cominform to impose orthodoxy within the international communist movement and tighten political control over Soviet satellites through coordination of communist parties in
7392-410: The Korean Peninsula along ideological lines, commenced on 25 June 1950, with a full-front DPRK invasion across the 38th parallel, and ended in 1953 after international intervention pushed the front of the war back to near the 38th parallel. In the Armistice Agreement of 27 July 1953, the DMZ was created as each side agreed to move their troops back 2,000 m (1.2 miles) from the front line, creating
7524-415: The Korean War. In recent years, mainly South Korean non-governmental organizations have been involved in launching balloons targeted at the DMZ and beyond. Due to the winds, the balloons tend to fall near the DMZ where there are mostly North Korean soldiers to see the leaflets. As with the loudspeakers, balloon operations were mutually agreed to be halted between 2004 and 2010. It has been assessed that
7656-555: The Korean border was guarded by standard barbed wire. The North Korean side of the DMZ primarily serves to stop an invasion of North Korea from the south. Its other purpose is to ensure that North Korean citizens face significant difficulty in any effort to defect to South Korea. From the armistice until 1972, approximately 7,700 South Korean soldiers and agents infiltrated into North Korea in order to sabotage military bases and industrial areas. Around 5,300 of them never returned home. North Korea has thousands of artillery pieces near
7788-446: The MDL. On 15 October, 2018, during the high-level talks in Panmunjeom, military officials of the rank of colonel from the two Koreas and Burke Hamilton, Secretary of the UNC Military Armistice Commission , announced measures to reduce conventional military threats, such as creating buffer zones along their land and sea boundaries and a no-fly zone above the border, removing 11 front-line guard posts by December, and demining sections of
7920-428: The Marshall Plan, seeing it as an effort by the US to impose its influence on Europe. In response, the Soviet Union established Comecon (Council for Mutual Economic Assistance) to foster economic cooperation among communist states. The United States and its Western European allies sought to strengthen their bonds and used the policy of containment against Soviet influence; they accomplished this most notably through
8052-446: The Russian Civil War further complicated relations, and although the Soviet Union later allied with Western powers to defeat Nazi Germany , this cooperation was strained by mutual suspicions. In the immediate aftermath of World War II, disagreements about the future of Europe, particularly Eastern Europe , became central. The Soviet Union's establishment of communist regimes in the countries it had liberated from Nazi control—enforced by
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#17328371921848184-435: The South Korean DMZ may view inside this tunnel using a sloped access shaft. A fourth tunnel was discovered on 3 March 1990, north of Haean town in the former Punchbowl battlefield. The tunnel's dimensions are 2 by 2 m (7 by 7 feet), and it is 145 m (476 ft) deep. The method of construction is almost identical in structure to the second and the third tunnels. According to North Korea, between 1977 and 1979,
8316-419: The South Korean and United States authorities constructed a concrete wall along the DMZ. North Korea, however, began to propagate information about the wall after the fall of the Berlin Wall in 1989, when the symbolism of a wall unjustly dividing a people became more apparent. Various organizations, such as the North Korean tour guide company Korea Konsult, claimed a wall was dividing Korea, saying that: In
8448-409: The Southern Limit Line DMZ fence. The whole estuary of the Han River is deemed a "Neutral Zone" and is off-limits to all civilian vessels and is treated like the rest of the DMZ. Only military vessels are allowed within this neutral zone. Cold War The Cold War was a period of global geopolitical tension and struggle for ideological and economic influence between the United States and
8580-408: The Soviet Union was used to monitor dissent from official Soviet politics and morals. Although to an extent disinformation had always existed, the term itself was invented, and the strategy formalized by a black propaganda department of the Soviet KGB. Based on the amount of top-secret Cold War archival information that has been released, historian Raymond L. Garthoff concludes there probably
8712-400: The Soviet Union, which at the time was undergoing the Era of Stagnation . This phase saw the new Soviet leader Mikhail Gorbachev introducing the liberalizing reforms of glasnost ("openness") and perestroika ("reorganization") and ending Soviet involvement in Afghanistan in 1989. Pressures for national sovereignty grew stronger in Eastern Europe, and Gorbachev refused to further support
8844-499: The Soviet Union. A number of self-proclaimed Marxist–Leninist governments were formed in the second half of the 1970s in developing countries , including Angola , Mozambique , Ethiopia , Cambodia , Afghanistan , and Nicaragua . Détente collapsed at the end of the decade with the beginning of the Soviet–Afghan War in 1979. Beginning in the 1980s, this phase was another period of elevated tension. The Reagan Doctrine led to increased diplomatic, military, and economic pressures on
8976-455: The Soviets accumulated after broken promises by Stalin and Molotov concerning Europe and Iran. Following the World War II Anglo-Soviet invasion of Iran , the country was occupied by the Red Army in the far north and the British in the south. Iran was used by the United States and British to supply the Soviet Union, and the Allies agreed to withdraw from Iran within six months after the cessation of hostilities. However, when this deadline came,
9108-425: The Soviets agreed to withdraw from Iran after persistent US pressure, an early success of containment policy. By 1947, US president Harry S. Truman was outraged by the perceived resistance of the Soviet Union to American demands in Iran, Turkey, and Greece, as well as Soviet rejection of the Baruch Plan on nuclear weapons. In February 1947, the British government announced that it could no longer afford to finance
9240-404: The Soviets had permitted to retain democratic structures. The public brutality of the coup shocked Western powers more than any event up to that point, set in motion a brief scare that war would occur, and swept away the last vestiges of opposition to the Marshall Plan in the United States Congress. In an immediate aftermath of the crisis, the London Six-Power Conference was held, resulting in
9372-426: The Soviets remained in Iran under the guise of the Azerbaijan People's Government and Kurdish Republic of Mahabad . Shortly thereafter, on 5 March, former British prime minister Winston Churchill delivered his famous " Iron Curtain " speech in Fulton, Missouri . The speech called for an Anglo-American alliance against the Soviets, whom he accused of establishing an "iron curtain" dividing Europe from " Stettin in
9504-455: The Truman Doctrine marked the beginning of a US bipartisan defense and foreign policy consensus between Republicans and Democrats focused on containment and deterrence that weakened during and after the Vietnam War , but ultimately persisted thereafter. Moderate and conservative parties in Europe, as well as social democrats, gave virtually unconditional support to the Western alliance, while European and American Communists , financed by
9636-413: The U.S. The USSR solidified its domination of Eastern Europe with operations such as the crushing of the Hungarian Revolution in 1956 Warsaw Pact invasion of Czechoslovakia in 1968. Both powers used economic aid in an attempt to win the loyalty of non-aligned countries , such as India . After the Sino-Soviet split between the USSR and China in 1961, the U.S. initiated contacts with China in 1972 . In
9768-552: The US assistance, the Greek military won its civil war . Under the leadership of Alcide De Gasperi the Italian Christian Democrats defeated the powerful Communist – Socialist alliance in the elections of 1948 . All major powers engaged in espionage, using a great variety of spies, double agents , moles , and new technologies such as the tapping of telephone cables. The Soviet KGB ("Committee for State Security"),
9900-572: The US government gave to Western European countries over $ 13 billion (equivalent to $ 189 billion in 2016) to rebuild the economy of Europe . Later, the program led to the creation of the OECD . The plan's aim was to rebuild the democratic and economic systems of Europe and to counter perceived threats to the European balance of power , such as communist parties seizing control through revolutions or elections. The plan also stated that European prosperity
10032-572: The US was trying to buy a pro-US re-alignment of Europe. Stalin therefore prevented Eastern Bloc nations from receiving Marshall Plan aid. The Soviet Union's alternative to the Marshall Plan, which was purported to involve Soviet subsidies and trade with central and eastern Europe, became known as the Molotov Plan (later institutionalized in January 1949 as the Council for Mutual Economic Assistance ). Stalin
10164-477: The USSR. In this way, this US would exercise " preponderant power ," oppose neutrality, and establish global hegemony . In the early 1950s (a period sometimes known as the " Pactomania "), the US formalized a series of alliances with Japan (a former WWII enemy), South Korea , Taiwan , Australia , New Zealand , Thailand and the Philippines (notably ANZUS in 1951 and SEATO in 1954), thereby guaranteeing
10296-516: The United Nations, was split up and dissolved in 1954 and 1975, also because of the détente between the West and Tito. The US and Britain merged their western German occupation zones into " Bizone " (1 January 1947, later "Trizone" with the addition of France's zone, April 1949). As part of the economic rebuilding of Germany, in early 1948, representatives of a number of Western European governments and
10428-509: The United States a number of long-term military bases. One of the more significant examples of the implementation of containment was the United Nations US-led intervention in the Korean War . In June 1950, after years of mutual hostilities, Kim Il Sung 's North Korean People's Army invaded South Korea at the 38th parallel . Stalin had been reluctant to support the invasion but ultimately sent advisers. To Stalin's surprise,
10560-401: The United States announced an agreement for a merger of western German areas into a federal governmental system. In addition, in accordance with the Marshall Plan , they began to re-industrialize and rebuild the West German economy, including the introduction of a new Deutsche Mark currency to replace the old Reichsmark currency that the Soviets had debased. The US had secretly decided that
10692-504: The Warsaw Pact's primary function was to safeguard Soviet hegemony over its Eastern European satellites, with the pact's only direct military actions having been the invasions of its own member states to keep them from breaking away; in the 1960s, the pact evolved into a multilateral alliance, in which the non-Soviet Warsaw Pact members gained significant scope to pursue their own interests. In 1961, Soviet-allied East Germany constructed
10824-469: The Western agencies paid special attention to debriefing Eastern Bloc defectors . Edward Jay Epstein describes that the CIA understood that the KGB used "provocations", or fake defections, as a trick to embarrass Western intelligence and establish Soviet double agents. As a result, from 1959 to 1973, the CIA required that East Bloc defectors went through a counterintelligence investigation before being recruited as
10956-456: The accusation that the USSR was exerting increasing control over the countries lying in its sphere. He argued that there was nothing surprising in "the fact that the Soviet Union, anxious for its future safety, [was] trying to see to it that governments loyal in their attitude to the Soviet Union should exist in these countries." Soviet territorial demands to Turkey regarding the Dardanelles in
11088-418: The action. Matuzok survived and was eventually resettled in the U.S. In late 2009, South Korean forces in conjunction with the United Nations Command began renovation of its three guard posts and two checkpoint buildings within the JSA compound. Construction was designed to enlarge and modernize the structures. Work was undertaken a year after North Korea finished replacing four JSA guard posts on its side of
11220-459: The activists' balloons may contribute to the decay of remaining cooperation between the Korean governments, and the DMZ has become more militarized in recent years. Many North Korean leaflets during the Cold War gave instructions and maps to help targeted South Korean soldiers in defecting. One of the leaflets found on the DMZ included a map of Cho Dae-hum 's route of defection to North Korea across
11352-547: The allocation of $ 400 million to intervene in the war and unveiled the Truman Doctrine , which framed the conflict as a contest between free peoples and totalitarian regimes. American policymakers accused the Soviet Union of conspiring against the Greek royalists in an effort to expand Soviet influence even though Stalin had told the Communist Party to cooperate with the British-backed government. Enunciation of
11484-606: The area south of the Military Demarcation Line, which cuts across Korea at its waist, there is a concrete wall which ... stretches more than 240 km (149 mi) from east to west, is 5–8 m (16–26 ft) high, 10–19 m (33–62 ft) thick at the bottom, and 3–7 m (10–23 ft) wide in the upper part. It is set with wire entanglements and dotted with gun embrasures, look-outs and varieties of military establishments. In December 1999, Chu Chang-jun, North Korea's ambassador to China , repeated claims that
11616-429: The border from South Korea was halted by the South Korean government. The no-fly zone which was established on 1 November 2018 also designates a no-fly zone for all aircraft types above the MDL, and prohibits hot-air balloons from traveling within 25 km of the Korean border's MDL. In 2024, as a response to continuing leaflets from South Korean activists, the North flew several hundred balloons filled with trash over
11748-774: The border with South Korea. It flies a 270 kg (595 lb) flag of North Korea . In 2014, the Panmunjeom flagpole was the fourth tallest in the world, after the Jeddah Flagpole in Jeddah , Saudi Arabia , at 170 m (558 ft), the Dushanbe Flagpole in Dushanbe , Tajikistan , at 165 m (541 ft) and the pole at the National Flag Square in Baku , Azerbaijan , which
11880-539: The border, resulting in a June 2024 decision by the South to suspend the above deal and resume military drills near the border. The Civilian Control Line (CCL), or the Civilian Control Zone (CCZ, 민간인출입통제구역 ), is a line that designates an additional buffer zone to the DMZ within a distance of 5 to 20 km (3.1 to 12.4 mi) from the Southern Limit Line of the DMZ. Its purpose is to limit and control
12012-451: The buildings delivered DPRK propaganda broadcasts directed towards the south as well as propaganda radio broadcasts across the border. South Korean broadcasts featured "popular music and lectures on freedom and democracy," while the North Korean broadcast featured "martial music and praises to the country's rulers." In 2004, the North and South agreed to end the broadcasts as part of an agreement to ease diplomatic tensions. On 4 August 2015,
12144-477: The bureau responsible for foreign espionage and internal surveillance, was famous for its effectiveness. The most famous Soviet operation involved its atomic spies that delivered crucial information from the United States' Manhattan Project , leading the USSR to detonate its first nuclear weapon in 1949, four years after the American detonation and much sooner than expected. A massive network of informants throughout
12276-467: The ceasefire, the Civilian Control Zone outside the DMZ encompassed 100 or so empty villages. The government implemented migration measures to attract settlers into the area. As a result, in 1983, when the area delineated by the Civilian Control Line was at its largest, a total of 39,725 residents in 8,799 households were living in the 81 villages located within the Civilian Control Zone. Most of
12408-640: The chancellor of West Germany, with France the main opponent. Washington had the decisive voice. It was strongly supported by the Pentagon (the US military leadership), and weakly opposed by President Truman; the State Department was ambivalent. The outbreak of the Korean War in June 1950 changed the calculations and Washington now gave full support. That also involved naming Dwight D. Eisenhower in charge of NATO forces and sending more American troops to West Germany. There
12540-508: The communist party. Radio and television organizations were state-owned, while print media was usually owned by political organizations, mostly by the local communist party. Soviet radio broadcasts used Marxist rhetoric to attack capitalism, emphasizing themes of labor exploitation, imperialism and war-mongering. Along with the broadcasts of the BBC and the Voice of America to Central and Eastern Europe,
12672-492: The country and was banned following the 1991 Soviet coup attempt that August. This in turn led to the formal dissolution of the Soviet Union in December 1991 and the collapse of Communist governments across much of Africa and Asia. The Russian Federation became the Soviet Union's successor state, while many of the other republics emerged from the Soviet Union's collapse as fully independent post-Soviet states . The United States
12804-685: The end of World War II . Upon the creation of the North Korea (formally the Democratic People's Republic of Korea or DPRK) and South Korea (formally the Republic of Korea or ROK) in 1948, it became a de facto international border and one of the most tense fronts in the Cold War . Both the North and the South remained dependent on their sponsor states from 1948 to the outbreak of the Korean War. That conflict, which claimed over three million lives and divided
12936-523: The entrance of civilians into the area in order to protect and maintain the security of military facilities and operations near the DMZ. The commander of the 8th US Army ordered the creation of the CCL and it was activated and first became effective in February 1954. The buffer zone that falls south of the Southern Limit Line is called the Civilian Control Zone. Barbed wire fences and manned military guard posts mark
13068-403: The famous Bridge of No Return , over which prisoner exchanges have taken place. There are several buildings on both the north and the south side of the MDL, and there have been some built on top of it. All negotiations since 1953 have been held in the JSA, including statements of Korean solidarity, which have generally amounted to little except a slight decline of tensions . Within the JSA are
13200-454: The formation of NATO , which was essentially a defensive agreement in 1949. The Soviet Union countered with the Warsaw Pact in 1955, which had similar results with the Eastern Bloc. As by that time the Soviet Union already had an armed presence and political domination all over its eastern satellite states, the pact has been long considered superfluous. Although nominally a defensive alliance,
13332-486: The funding of left-wing parties , wars of independence , revolutions and dictatorships. As nearly all the colonial states underwent decolonization and achieved independence in the period from 1945 to 1960, many became Third World battlefields in the Cold War. At the end of World War II, English writer George Orwell used cold war , as a general term, in his essay "You and the Atomic Bomb", published 19 October 1945 in
13464-518: The kind of world-view, the kind of beliefs, and the social structure that would probably prevail in a state which was at once unconquerable and in a permanent state of "cold war" with its neighbours. In The Observer of 10 March 1946, Orwell wrote, "...after the Moscow conference last December, Russia began to make a 'cold war' on Britain and the British Empire." The first use of the term to describe
13596-554: The land before the 1950–53 Korean War. To continue to deter North Korean incursion, in 2014 the United States government exempted the Korean DMZ from its pledge to eliminate anti-personnel landmines . On 1 October 2018, however, a 20-day process began to remove landmines from both sides of the DMZ. Inside the DMZ, near the western coast of the peninsula, Panmunjeom is the home of the Joint Security Area (JSA). Originally, it
13728-414: The most prominent architects of America's early Cold War strategy, especially those who believed that the Cold War would eventually be fought by political rather than military means, such as George F. Kennan. Soviet and Eastern Bloc authorities used various methods to suppress Western broadcasts, including radio jamming . American policymakers, including Kennan and John Foster Dulles , acknowledged that
13860-661: The policy change. Once again, the East Berlin communists attempted to disrupt the Berlin municipal elections , which were held on 5 December 1948 and produced a turnout of 86% and an overwhelming victory for the non-communist parties. The results effectively divided the city into East and West, the latter comprising US, British and French sectors. 300,000 Berliners demonstrated and urged the international airlift to continue, and US Air Force pilot Gail Halvorsen created " Operation Vittles ", which supplied candy to German children. The Airlift
13992-441: The political decision-making level on either side. Similarly, there is no evidence, on either side, of any major political or military decision that was prematurely discovered through espionage and thwarted by the other side. There also is no evidence of any major political or military decision that was crucially influenced (much less generated) by an agent of the other side. According to historian Robert L. Benson, "Washington's forte
14124-474: The presence of the Red Army —alarmed the US and UK. Western leaders saw this as a clear instance of Soviet expansionism, clashing with their vision of a democratic Europe. Economically, the divide was sharpened with the introduction of the Marshall Plan in 1947, a US initiative to provide financial aid to rebuild Europe and prevent the spread of communism by stabilizing capitalist economies. The Soviet Union rejected
14256-465: The same year, the US and USSR signed a series of treaties limiting their nuclear arsenals, which eased tensions in a détente . In 1979, the toppling of pro-US governments in Iran and Nicaragua and a Soviet invasion of Afghanistan again raised fears of war. In 1985, Mikhail Gorbachev rose to leader of the USSR and expanded political freedoms in his country, which led to the fall of the communist regimes of
14388-462: The source of the term, Lippmann traced it to a French term from the 1930s, la guerre froide . The roots of the Cold War can be traced back to diplomatic and military tensions preceding World War II. The 1917 Russian Revolution and the subsequent Treaty of Brest-Litovsk , where Soviet Russia ceded vast territories to Germany, deepened distrust among the Western Allies. Allied intervention in
14520-446: The south, though not by the U.S. military. Details of only a few of these incursions have become public, including raids by South Korean forces in 1967 that had sabotaged about 50 North Korean facilities. Since 15 November 1974, South Korea has discovered four tunnels crossing the DMZ that had been dug by North Korea. The orientation of the blasting lines within each tunnel indicated they were dug by North Korea. North Korea claimed that
14652-463: The specific post-war geopolitical confrontation between the Soviet Union and the United States came in a speech by Bernard Baruch , an influential advisor to Democratic presidents, on 16 April 1947. The speech, written by journalist Herbert Bayard Swope , proclaimed, "Let us not be deceived: we are today in the midst of a cold war." Newspaper columnist Walter Lippmann gave the term wide currency with his book The Cold War . When asked in 1947 about
14784-435: The third tunnel sloped slightly upwards as it progressed southward, to prevent water stagnation. Today, visitors from the south may visit the second, third and fourth tunnels through guided tours. The first of the tunnels was discovered on 15 November 1974, by a South Korean Army patrol, noticing steam rising from the ground. The initial discovery was met with automatic fire from North Korean soldiers. Five days later, during
14916-428: The tourist and media photos of the "DMZ fence" are actually photos of the CCL fence. The actual DMZ fence on the Southern Limit Line is completely off-limits to everybody except soldiers, and it is illegal to take pictures of the DMZ fence. The CCL fence acts more as a deterrent for South Korean civilians from getting too close to the dangerous DMZ and is also the final barrier for North Korean infiltrators if they get past
15048-449: The tunnels were for coal mining; no coal was found in the tunnels, which were dug through granite. Some of the tunnel walls were painted black to give the appearance of anthracite . The tunnels are believed to have been planned as a military invasion route by North Korea. They run in a north–south direction and do not have branches. Following each discovery, engineering within the tunnels has become progressively more advanced. For example,
15180-466: The war, the USSR installed satellite governments in the territories of Eastern and Central Europe it had occupied, and promoted the spread of communism to North Korea in 1948 and created an alliance with the People's Republic of China in 1949. The US declared the Truman Doctrine of " containment " in 1947 as communist-led uprisings led to the Greek Civil War and First Indochina War , launched
15312-596: The world. The Northern Limit Line , or NLL, is the disputed maritime demarcation line between North and South Korea in the Yellow Sea , not agreed in the armistice. The coastline and islands on both sides of the NLL are also heavily militarized. The 38th parallel north—which divides the Korean Peninsula roughly in half—was the original boundary between the United States and Soviet Union's brief administration areas of Korea at
15444-473: The world. Movements against nuclear weapons testing and for nuclear disarmament took place, with large anti-war protests . By the 1970s, both sides had started making allowances for peace and security, ushering in a period of détente that saw the Strategic Arms Limitation Talks and the 1972 visit by Richard Nixon to China that opened relations with China as a strategic counterweight to
15576-497: Was 'signals' intelligence - the procurement and analysis of coded foreign messages." leading to the Venona project or Venona intercepts, which monitored the communications of Soviet intelligence agents. Moynihan wrote that the Venona project contained "overwhelming proof of the activities of Soviet spy networks in America, complete with names, dates, places, and deeds." The Venona project
15708-412: Was a strong promise that West Germany would not develop nuclear weapons. Widespread fears of another rise of German militarism necessitated the new military to operate within an alliance framework under NATO command. In 1955, Washington secured full German membership of NATO. In May 1953, Lavrentiy Beria , by then in a government post, had made an unsuccessful proposal to allow the reunification of
15840-547: Was also fearful of a reconstituted Germany; his vision of a post-war Germany did not include the ability to rearm or pose any kind of threat to the Soviet Union. In early 1948, following reports of strengthening "reactionary elements", Czech Communists executed a coup d'état in Czechoslovakia (resulting in the formation of the Czechoslovak Socialist Republic (9 May 1948)), the only Eastern Bloc state that
15972-433: Was as much a logistical as a political and psychological success for the West; it firmly linked West Berlin to the United States. In May 1949, Stalin backed down and lifted the blockade. In 1952, Stalin repeatedly proposed a plan to unify East and West Germany under a single government chosen in elections supervised by the United Nations, if the new Germany were to stay out of Western military alliances, but this proposal
16104-648: Was contingent upon German economic recovery. One month later, Truman signed the National Security Act of 1947 , creating a unified Department of Defense , the Central Intelligence Agency (CIA), and the National Security Council (NSC). These would become the main bureaucracies for US defense policy in the Cold War. Stalin believed economic integration with the West would allow Eastern Bloc countries to escape Soviet control, and that
16236-463: Was kept highly secret even from policymakers until the Moynihan Commission in 1995. Despite this, the decryption project had already been betrayed and dispatched to the USSR by Kim Philby and Bill Weisband in 1946, as was discovered by the US by 1950. Nonetheless, the Soviets had to keep their discovery of the program secret, too, and continued leaking their own information, some of which
16368-502: Was left as the world's sole superpower. In February 1946, George F. Kennan 's " Long Telegram " from Moscow to Washington helped to articulate the US government's increasingly hard line against the Soviets, which would become the basis for US strategy toward the Soviet Union for the duration of the Cold War. The telegram galvanized a policy debate that would eventually shape the Truman administration 's Soviet policy. Washington's opposition to
16500-540: Was now restricted to the island of Taiwan , the nationalist government of which exists to this day. The Kremlin promptly created an alliance with the newly formed People's Republic of China. According to Norwegian historian Odd Arne Westad , the communists won the Civil War because they made fewer military mistakes than Chiang Kai-Shek made, and because in his search for a powerful centralized government, Chiang antagonized too many interest groups in China. Moreover, his party
16632-403: Was parity in the quantity and quality of secret information obtained by each side. However, the Soviets probably had an advantage in terms of HUMINT (human intelligence or interpersonal espionage) and "sometimes in its reach into high policy circles." In terms of decisive impact, however, he concludes: We also can now have high confidence in the judgment that there were no successful "moles" at
16764-406: Was reinforced with concrete slabs and had electric power and lighting. There were weapon storage areas and sleeping areas. A narrow-gauge railway with carts had also been installed. Estimates based on the tunnel's size suggest it would have allowed considerable numbers of soldiers to pass through it. The second tunnel was discovered on 19 March 1975. It is of similar length to the first tunnel. It
16896-486: Was still useful to the American program. According to Moynihan, even President Truman may not have been fully informed of Venona, which may have left him unaware of the extent of Soviet espionage. Clandestine atomic spies from the Soviet Union, who infiltrated the Manhattan Project at various points during WWII, played a major role in increasing tensions that led to the Cold War. In addition to usual espionage,
17028-565: Was the Korean War of 1950 to 1953, which ended in stalemate. The Cuban Revolution of 1959 installed the first communist regime in the Western Hemisphere, and in 1962, the Cuban Missile Crisis began after deployments of U.S. missiles in Europe and Soviet missiles in Cuba; it is considered the closest the Cold War came to escalating into nuclear war . Another major proxy conflict was the Vietnam War of 1955 to 1975, which ended in defeat for
17160-448: Was the only connection between North and South Korea but that changed on 17 May 2007, when a Korail train went through the DMZ to the North on the new Donghae Bukbu Line built on the east coast of Korea. However, the resurrection of this line was short-lived, as it closed again in July 2008 following an incident in which a South Korean tourist was shot and killed. The JSA is the location of
17292-625: Was turned down by the Western powers. Some sources dispute the sincerity of the proposal. Britain, France, the United States, Canada and eight other western European countries signed the North Atlantic Treaty of April 1949, establishing the North Atlantic Treaty Organization (NATO). That August, the first Soviet atomic device was detonated in Semipalatinsk , Kazakh SSR . Following Soviet refusals to participate in
17424-483: Was weakened during the war against Japan . Meanwhile, the communists told different groups, such as the peasants, exactly what they wanted to hear, and they cloaked themselves under the cover of Chinese nationalism . Confronted with the communist revolution in China and the end of the American atomic monopoly in 1949, the Truman administration quickly moved to escalate and expand its containment doctrine. In NSC 68 ,
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