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The United Nations was an intergovernmental organization meant to maintain international peace and security, and keep friendly relations between nations -
The Truman Doctrine was a principle that the US should give their support to countries or peoples threatened by Soviet forces or Communist insurrection. -
10 producers, directors, and screenwriters who appeared before the House Un-American Activities Committee, and refused to answer questions regarding their possible communist affiliations -
The Marshall Plan was a U.S.-sponsored program that was designed to rehabilitate the economies of 17 western and southern European countries in order to create stable conditions in which institutions could survive in the aftermath of World War II -
NATO was an intergovernmental military alliance among 28 European countries and 2 North American countries to provide collective security against the Soviet Union. -
A war fought between North Korea and South Korea from 1950 to 1953 when North Korea invaded South Korea following clashes along the border and rebellions in South Korea. -
The Space Race was a 20th-century competition between the Soviet Union and the United States, to achieve superior spaceflight capability. -
The Bay of Pigs was a failed landing operation on the southwestern coast of Cuba by Cuban exiles who opposed Fidel Castro's Cuban Revolution. -
The wall was built to prevent the population of Berlin from escaping the Soviet-controlled East Berlin and getting to West Berlin. -
President Johnson launches a three-year campaign of bombing of targets in North Vietnam and Operation Rolling Thunder. Then the U.S. Marines landed on beaches in South Vietnam as the first American combat troops to enter Vietnam. -
The Soviet Union sent thousands of troops into Afghanistan and immediately assumed complete military and political control of Kabul and large portions of the country. -
Berlin's Communist Party announced a change in the city's relations with the West, and citizens were now free to cross the country's borders.