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The United Nations (UN) is an international organization founded after World War II to promote peace, security, and cooperation among nations. -
The Hollywood Ten were a group of film industry professionals who were blacklisted and jailed for refusing to cooperate with the House Un-American Activities Committee (HUAC) during the Red Scare. -
The Truman Doctrine was a policy by President Harry Truman that aimed to contain communism, providing economic and military aid to countries threatened by communist forces. -
The Marshall Plan was an American initiative to aid Western Europe, providing economic assistance for post-World War II recovery and to prevent the spread of communism. -
The North Atlantic Treaty Organization (NATO) is a political and military alliance formed to provide collective defense against aggression and to promote stability in Europe. -
The Korean War was a conflict between North Korea (supported by China and the Soviet Union) and South Korea (supported by the United Nations, primarily the United States). It ended in an armistice, not a peace treaty, leaving the Korean Peninsula divided.
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The Space Race was a competition between the United States and the Soviet Union to achieve milestones in space exploration, starting with the launch of Sputnik, the first artificial satellite. -
The Bay of Pigs invasion was a failed CIA-backed attempt to overthrow Fidel Castro's communist government in Cuba, resulting in embarrassment for the United States.
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The United States became increasingly involved in the Vietnam War, supporting South Vietnam against communist North Vietnam, leading to a prolonged and controversial conflict. -
The Soviet Union invaded Afghanistan to support the communist government, leading to a prolonged conflict known as the Soviet-Afghan War.