Unit 8: Cold War and Decolonization

Cold War

A global rivalry for power and influence (1945–early 1990s) primarily between the United States and the Soviet Union, fought through alliances, aid, propaganda, espionage, and proxy wars rather than direct full-scale war.

Proxy War

A conflict in which major powers support opposing sides without fighting each other directly; a defining feature of Cold War competition.

Liberal Democracy

A political system emphasizing multi-party elections and civil liberties; broadly associated with U.S. ideals during the Cold War.

Capitalism

An economic system based on private property and market-driven production and exchange; promoted by the United States during the Cold War.

Communism (Soviet model)

A one-party political system with a planned economy as practiced by the USSR; often described in Western sources as totalitarian.

Buffer Zone

A ring of friendly or controlled states meant to protect a country from invasion; the USSR sought a buffer zone in Eastern Europe after WWII.

Yalta Conference (1945)

A WWII Allied meeting that debated the postwar order and the future of territories liberated from Nazi control; part of early Cold War tension over Europe.

Potsdam Conference (1945)

A postwar Allied conference focused on managing defeated Germany and Europe’s future; disagreements reflected growing U.S.-Soviet mistrust.

Marshall Plan

U.S. economic aid program announced in 1947 and implemented beginning in 1948 to rebuild Western European economies and reduce the appeal of communism.

Iron Curtain

A term for the symbolic and political boundary dividing the Soviet-dominated Eastern bloc from the U.S.-aligned Western bloc in Europe.

Containment

A guiding U.S. policy aimed at preventing the spread of Soviet influence and communism into new areas (without necessarily rolling it back where it already existed).

Truman Doctrine (1947)

U.S. policy of supporting countries resisting communist influence, initially focused on aid to Greece and Turkey.

Berlin Blockade (1948–1949)

Soviet cutoff of land access to West Berlin after Western zones of Germany moved toward closer integration; intensified Cold War confrontation.

Berlin Airlift (1948–1949)

The U.S. and allies’ operation to fly supplies into West Berlin during the Soviet blockade until it ended.

NATO (North Atlantic Treaty Organization, 1949)

A U.S.-led collective defense alliance; an attack on one member is treated as an attack on all.

Warsaw Pact (1955)

A Soviet-led collective defense alliance among Eastern European states, formed in response to NATO and Cold War polarization.

Deterrence

The strategy of preventing attack by maintaining the ability to inflict unacceptable damage in retaliation; central to nuclear policy in the Cold War.

Mutually Assured Destruction (MAD)

The idea that a nuclear exchange would likely destroy both sides, discouraging direct war between nuclear superpowers.

Espionage

Intelligence gathering and covert operations used heavily by both superpowers because open war was too risky.

Propaganda

Messaging designed to persuade domestic and global audiences that one political/economic system is superior; a major Cold War tool.

Korean War (1950–1953)

A Cold War proxy war triggered by North Korea’s invasion of South Korea; involved U.S./UN forces and later Chinese intervention, ending in a 1953 armistice.

38th Parallel

The approximate boundary near which Korea remained divided after the Korean War armistice.

Armistice

An agreement to stop fighting without a full peace treaty; the Korean War ended with an armistice in 1953.

Dien Bien Phu (1954)

The decisive defeat of French forces by the Viet Minh, leading to French withdrawal from Indochina and the Geneva Accords.

Geneva Accords (1954)

Agreements that temporarily divided Vietnam into North and South after France’s defeat, setting the stage for later conflict.

Viet Minh

Communist-led Vietnamese nationalist movement that fought for independence from France in Indochina.

Viet Cong

Communist guerrilla forces operating in South Vietnam, a major component of the Vietnam War’s internal and Cold War dimensions.

Paris Peace Accords (1973)

Agreements that led to U.S. withdrawal from Vietnam; fighting continued until North Vietnam reunified the country in 1975.

Khmer Rouge

A communist faction that seized power in Cambodia and carried out radical social policies and mass killings, causing roughly 2 million deaths.

Cuban Revolution (1959)

The overthrow of Batista and rise of Fidel Castro; Cuba shifted toward a communist dictatorship and closer ties with the USSR.

Platt Amendment

A policy framework that enabled significant U.S. involvement in Cuban affairs, contributing to long-term U.S. influence on the island.

Bay of Pigs Invasion

A failed U.S.-authorized attempt by Cuban exiles (under President Kennedy) to overthrow Fidel Castro; the force was quickly defeated.

Cuban Missile Crisis (1962)

A major nuclear confrontation after the U.S. discovered Soviet missiles being installed in Cuba; ended after the USSR backed down and the U.S. pledged not to invade Cuba.

Soviet-Afghan War (1979–1989)

A conflict in which the USSR intervened in Afghanistan to support a communist government; it became costly and strained the Soviet system.

Mujahideen

Afghan resistance fighters supported by the U.S. and others during the Soviet-Afghan War.

Great Leap Forward

Mao Zedong’s program promoting rural communes and rapid output growth; false reporting and quota pressures contributed to catastrophic shortages and starvation of over 30 million.

Cultural Revolution

Mao’s campaign (1960s–1970s) to eliminate Western influence and prevent privileged classes; it shut universities and disrupted society as many were pushed into rural labor.

Deng Xiaoping

Post-Mao leader who restructured China’s economy, expanded education and foreign relations, and introduced market-oriented reforms while keeping communist political control.

Tiananmen Square Protests (1989)

Mass demonstrations calling for political liberalization in China; suppressed by the government with troops, killing hundreds.

Non-Alignment

A foreign policy strategy of not formally joining either the U.S. or Soviet bloc, intended to preserve independence while pursuing development needs.

Bandung Conference (1955)

Meeting of Asian and African leaders emphasizing anti-colonialism and cooperation, demonstrating that Cold War politics included actors outside the two main blocs.

Non-Aligned Movement (NAM, established 1961)

An international movement of states seeking to avoid formal alignment with either Cold War superpower bloc while defending sovereignty and pursuing development.

Suez Crisis (1956)

A conflict triggered by Egypt’s nationalization of the Suez Canal; highlighted declining British/French imperial power and the growing influence of the U.S. and USSR.

Decolonization

The process by which colonies gained independence from imperial rule, accelerating after WWII due to weakened empires, nationalism, changing norms, and Cold War pressures.

Partition of India (1947)

Britain’s division of the subcontinent into India and Pakistan; caused massive displacement, violence, and long-term conflict between the new states.

Apartheid

A formalized system of racial segregation and discrimination in South Africa established in 1948, resisted by movements including the ANC and international pressure.

Perestroika

Gorbachev’s “restructuring” reforms in the USSR in the mid-1980s, involving economic/political change and loosening central control.

Glasnost

Gorbachev’s policy of “openness,” increasing transparency and freer public discussion, which helped unleash broader demands for change.

Fall of the Berlin Wall (1989)

A major symbolic event marking the collapse of Cold War division in Europe during the revolutions of 1989.

Dissolution of the Soviet Union (1991)

The breakup of the USSR into successor states (with Russia as the largest), ending the Cold War and reshaping global power dynamics.