A symbolic and physical division between the communist Eastern Bloc and the capitalist West during the Cold War, first used by Winston Churchill in 1946.
A Cold War strategy where both the US and the USSR built large nuclear arsenals, ensuring that any attack would lead to total destruction of both sides, prevent
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A US policy introduced in 1947 to stop the spread of communism by providing military and economic aid to countries threatened by Soviet influence, starting with Greece and Turkey.
Truman Doctrine (Containment)
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Marshall Plan
A US economic aid program (1948–1952) that provided financial support to rebuild war-torn Europe, strengthen economies, and prevent the spread of communism.
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The North Atlantic Treaty Organization (founded in 1949),a military alliance of Western countries aimed at collective defense against the Soviet Union and its allies.
NATO
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COMECON
The Council for Mutual Economic Assistance (1949–1991), a Soviet-led economic organization that coordinated trade and development among communist countries.
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A military alliance created in 1955 by the USSR and its Eastern Bloc allies as a response to NATO, ensuring Soviet control over Eastern Europe.
Warsaw Pact
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A Soviet attempt (1948–1949) to cut off West Berlin from Western supplies; it was countered by the US-led Berlin Airlift, which delivered food and fuel by air.
Berlin Blockade
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The leader of the Chinese Communist Party who led the revolution, established the People's Republic of China in 1949, and ruled until his death in 1976.
Mao Zedong
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Chinese Civil War
A conflict (1927–1949) between the Chinese Nationalists (Kuomintang) and Communists, ending with Mao Zedong's victory and the Nationalists fleeing to Taiwan.
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Prague Spring
A brief period of political liberalization in Czechoslovakia (1968) under Alexander Dubček, crushed by a Soviet-led invasion to maintain communist control.
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Hungarian Revolution
A 1956 uprising against Soviet rule in Hungary, calling for democracy and independence, violently suppressed by Soviet forces.
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Salvador Allende
Chile’s socialist president (1970–1973), overthrown in a US- backed military coup led by General Pinochet.
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Sandinista Revolution
A 1979 uprising in Nicaragua that overthrew dictator Somoza and brought a socialist government led by the Sandinista National Liberation Front (FSLN).
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Iranian Revolution
A 1979 revolution that ousted the pro-Western Shah, leading to an Islamic Republic under Ayatollah Khomeini.
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Afghanistan Invasion
The 1979 Soviet invasion of Afghanistan to support a communist government, sparking a long war against US-backed Afghan resistance fighters (Mujahideen).