| Term | Definition |
| Superpower | Country with unmatched miliary strength. In this case, the US and the USSR |
| Cold War | The ideological conflict between the Communist nations of Eastern Europe, led by the USSR, and the Wester democracies, led by the USA |
| United Nations | Group of 50 nations that was formed in 1945 to help prevent world conflicts and protect human rights |
| Satellite State | Country controlled by a more powerful nation |
| Containment | Policy that required the United States to try and keep communism from spreading around the world |
| Truman Doctrine | Speech given on March 12, 1947 in which the president vowed to stop the spread of communism at any cost |
| Marshall Plan | Congressional bill that pumped $13 billion into parts of Germany |
| Occupation Zone | Area of Germany that had been given to other nations, notably to the USSR, USA, UK, and France. |
| Berlin Airlift | When cargo planes full of supplies were dropped onto West Berlin to keep the people from starving |
| NATO | Organized in 1949, this was a group of democrativ, freely elected governments |
| Warsaw Pact | An alliance made up of countries with Communist governments |
| SEATO | Southeast Treaty Organization: Includes USA, UK, France, Pakistan, Thailand, the Philippines, Australia, and New Zealand |
| CENTO | Central Treaty Organization: Includes Turkey, Iraq, Iran, Pakistan, Great Britain, and the United States |
| EEC | Treaty, signed in 1957, that created a community of European countries who did not want to face economic barriers with one another |
| Free-Trade Area | A place where there are not tariffs or taxes on imported goods. These were created as a result of the EEC |