| A | B |
| Cold War | A conflict without violence between the U.S. and the Soviet Union |
| Satellite | A country controlled by a more powerful country |
| Containment | A policy of preventing a country from expanding its power and threating other countries |
| Iron Curtain | An imaginary wall, or dividing line, separating the Soviet nations from the rest of Europe |
| NATO | North Atlantic Treaty Organization- Countries against communism (Blue) |
| Warsaw Pact | Countries for Communism (Red) |
| Superpower | A country that is a top world power |
| Demilitarized Zone | An area where no military forces are allowed |
| Blacklist | A list of people who are not approved for employment because they could be communist |
| McCarthyism | Term named for Senator McCarthy’s campaign of accusing people of being communists |
| Space Race | The competition among countries to be first in exploring space |
| Embargo | To stop all trade with a particular country |
| Assassination | The killing of an important person or a political person for political reasons or for money |