United States’ policy of preventing the spread of communism

Began with North Korea's invasion of South Korea, involving the UN (led by the U.S.) supporting South Korea and China backing North Korea. (1950-1953)

The fear of communism dominating U.S. politics and society during the early Cold War, also known as McCarthyism.

Alliance between the Soviet Union and other Eastern European nations in response to the NATO alliance

Military alliance formed in 1949 by the U.S., Canada, and nations of Western Europe to provide collective security against the threat posed by the Soviet Union and other nations

A U.S.-Soviet competition in space exploration, peaking with the U.S. moon landing in 1969.

A term associated with a Senator who led searches for Communist in the U.S. during the early 1950s through his leadership of the HUAC; making harsh accusations without evidence

The division between Western Europe and Soviet-controlled Eastern Europe after WWII, popularized by Winston Churchill.

A program of U.S. aid to Europe following WWII to help those nations recover from the extensive damage to their cities, industries, and transportation

A joint effort by the U.S. and Britain to fly food and supplies into West Berlin after the Soviets blocked off all ground routes into the city

The first artificial Earth satellite, launched by the Soviet Union in 1957, sparking U.S. fears and leading to the creation of NASA and the Space Race.