Cold War Begins Vocab

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Taft-Hartley Act

• a federal law that significantly restricted union power, allowing states to pass "right-to-work" laws and banning closed shops. Passed over President Truman’s veto, it aimed to curb labor influence following massive postwar strikes, introducing 80-day injunctions for national emergency strikes and requiring non-communist affidavits from union leaders.

• Significance: Shows a post-WWII shift toward pro-business policies and reduced support for unions

Operation Dixie

• Def: an ambitious campaign to unionize industrial workers in the American South, particularly in the textile industry. It aimed to improve wages, prevent corporations from moving to lower-wage regions, and increase Black voter registration, but failed due to intense corporate opposition, entrenched racism, and the Taft-Hartley Act.

• Significance: Kept the South low-wage and non-union, shaping long-term economic inequality.

Employment Act of 1946

• Def: signed by President Truman, this established a federal policy of promoting maximum employment, production, and purchasing power to prevent post-WWII economic downturns. It created the Council of Economic Advisers (CEA) and the Joint Economic Committee to advise on economic stability.

• Significance: Expanded the government’s role in managing the economy after the Great Depression.

GI Bill (Servicemen’s Readjustment Act)

• Def: federal legislation signed by FDR providing WWII veterans with tuition for education/training, low-interest home/business loans, and unemployment insurance. It aimed to prevent postwar economic depression and social unrest, fostering a massive postwar middle class, suburbanization, and a skilled workforce. (only white veterans)

• Significance: Helped create the modern middle class and suburban growth.

Economic Boom after WWII

• Def: Period of rapid economic growth, high employment, and consumer spending.

• Significance: Made the U.S. the world’s dominant economic power.

Veterans Administration

The Servicemen's Readjustment Act of 1944 (G.I. Bill) was landmark legislation providing WWII veterans with education funding, low-interest mortgages, and unemployment aid, significantly expanding the middle class. Administered by the Veterans Administration (VA), it spurred post-war economic growth, suburbanization, and higher education access.

Sunbelt

the rapid post-WWII population and economic boom across the southern and southwestern U.S. (roughly 15 states, from Florida to California). Driven by federal defense spending, air conditioning, and a warm climate, it saw massive migration, shifting American industry and political power away from the "Rust Belt”

Government Encouraged Segregation

• Def: Policies like redlining that discriminated against Black Americans.

• Significance: Created systemic racial inequality in housing and wealth.

Baby Boom

a peak period of the post-WWII population surge (1946–1964) in the U.S., driven by economic prosperity,1950s suburbia growth, and a desire for normalcy. Roughly 3.56 million babies were born in 1950 alone, with annual births accelerating to 4 million by 1954, shaping a generation of 76 million Americans. 

Containment Doctrine

• Def: a foundational U.S. foreign policy strategy during the Cold War, beginning in the late 1940s, aimed at preventing the spread of communism beyond its existing borders. Spearheaded by diplomat George Kennan and adopted by President Truman, it aimed to "contain" Soviet expansionist tendencies through economic aid, military alliances, and direct intervention.

• Significance: Became the central guiding principle of U.S. Cold War actions, influencing wars, alliances, and foreign aid programs.

Dean Acheson

• Def: Truman’s Secretary of State who played a key role in developing Cold War strategy, including containment and the creation of alliances.

• Significance: Helped institutionalize U.S. global leadership and anti-communist policies, especially through NATO.

Iron Curtain

• Def: A term popularized by Winston Churchill describing the political, military, and ideological barrier separating communist Eastern Europe from democratic Western Europe.

• Significance: Symbolized the deep division of Europe and the beginning of long-term Cold War tensions.

Germany & Berlin Division

• Def: After WWII, Germany was divided into four occupation zones, eventually forming West Germany (U.S./allies) and East Germany (Soviet), with Berlin also split despite being in the East.

• Significance: Became a major Cold War flashpoint, leading to events like the Berlin Airlift and later the Berlin Wall.

Iran Crisis (1946)

• Def: A conflict where the Soviet Union refused to withdraw troops from northern Iran after WWII, pressuring for influence in the region.

• Significance: One of the first tests of containment and U.S.-Soviet rivalry, signaling the start of Cold War tensions.

George Kennan

• Def: A U.S. diplomat who, in the “Long Telegram,” argued that the Soviet Union was expansionist and should be contained through political and economic pressure.

• Significance: His ideas directly shaped the U.S. strategy of containment, guiding Cold War policy for decades.

Marshall Plan (1947)

• Def: A U.S. program that provided over $12 billion in economic aid to rebuild Western European economies after WWII.

• Significance: Strengthened European economies, prevented the spread of communism, and expanded U.S. influence abroad.

China becomes Communist (1949)

• Def: After a civil war, Mao Zedong’s Communist Party defeated the Nationalists and established the People’s Republic of China.

• Significance: Represented a major expansion of global communism, increasing U.S. fears and Cold War tensions in Asia.

Hydrogen Bomb

• Def: A thermonuclear weapon far more powerful than the atomic bomb, developed by both the U.S. and Soviet Union in the early 1950s.

• Significance: Intensified the arms race and raised the stakes of potential nuclear war.

HUAC

• Def: A congressional committee that investigated suspected communist influence in American institutions, especially Hollywood and government.

• Significance: Fueled the Red Scare, leading to blacklisting and violations of civil liberties.

Richard Nixon

• Def: A congressman (later president) who gained national attention for his role in investigating alleged communists, such as in the Alger Hiss case.

• Significance: Demonstrates how anti-communism shaped political careers and public fear.

Rosenberg Case

• Def: Julius and Ethel Rosenberg were convicted of spying for the Soviet Union and passing atomic secrets, and were executed in 1953.

• Significance: Heightened fears of internal communist threats and espionage in the U.S.

Election of 1948

• Def: President Truman won reelection against Republican Thomas Dewey despite widespread predictions of his loss.

• Significance: Showed public support for Democratic policies and Truman’s Cold War leadership.

Korean War (1950–1953)

• Def: A conflict that began when communist North Korea invaded South Korea, leading to U.S.-led UN intervention to defend the South.

• Significance: First major military application of containment, setting a precedent for future Cold War conflicts.

Douglas MacArthur

• Def: A U.S. general in the Korean War who advocated expanding the war into China and was dismissed by Truman for insubordination.

• Significance: Reinforced the principle of civilian control over the military.

Fair Deal

• Def: Truman’s domestic program proposing expanded social welfare programs, including national healthcare and civil rights reforms.

• Significance: Continued New Deal ideals, though many proposals were blocked, showing limits of postwar reform.

Truman Doctrine (1947)

• Def: A policy where the U.S. provided economic and military aid to countries resisting communism, beginning with Greece and Turkey.

• Significance: Marked the start of active U.S. global involvement in containment.

Berlin Airlift (1948–1949)

• A U.S. and Allied operation that airlifted supplies into West Berlin after the Soviet Union blocked access by land.

• Significance: Demonstrated U.S. commitment to containment without direct war and was a major Cold War success.

Soviet Satellite Nations

• Def: Eastern European countries (like Poland and Hungary) that were politically and militarily controlled by the Soviet Union.

• Significance: Expanded Soviet influence and created a buffer zone against Western Europe.

NATO (1949)

• Def: A military alliance in which the U.S. and Western European nations agreed that an attack on one member would be considered an attack on all.

• Significance: Marked a permanent U.S. commitment to defending Europe and opposing communism.

Warsaw Pact (1955)

• Def: A military alliance formed by the Soviet Union and its Eastern European allies in response to NATO.

• Significance: Formalized the military division of Europe during the Cold War.

McCarthyism

• Def: A period of intense anti-communist suspicion led by Senator Joseph McCarthy, where individuals were accused without solid evidence.

• Significance: Led to violations of civil liberties, fear, and political repression during the Red Scare.

Hungarian Uprising (1956)

• Def: A revolt by Hungary against Soviet control that was violently suppressed by the USSR’s military.

• Significance: Showed the limits of U.S. action and that it would not risk war to challenge Soviet control in Eastern Europe.

Cuba becomes Soviet ally

• Def: After Fidel Castro took power, Cuba became a communist state aligned with the Soviet Union, just 90 miles from the U.S.

• Significance: Intensified Cold War tensions by bringing communism close to U.S. borders.

U-2 Incident (1960)

• Def: A U.S. spy plane was shot down over the Soviet Union, and the pilot was captured, exposing U.S. spying.

• Significance: Increased tensions and distrust, damaging diplomatic relations between the U.S. and USSR.

Levittowns

developed by William Levitt after WWII (starting 1947), was the first mass-produced suburb, symbolizing the post-war "American Dream." Using assembly-line techniques on Long Island, it offered affordable housing for veterans, driving the 1950s suburban boom, car culture, and the baby boom, while notoriously enforcing segregation by banning Black buyers.