| A | B |
| satellite nations | Eastern European nations dominated by the Soviet Union |
| containment | block the spread of another nation's influence into your nation's sphere of influence |
| Cold War | state of hostility without direct military conflict |
| Truman Doctrine | economic aid program aimed at helping Greece and Turkey |
| Marshall Plan | economic aid to European nations to help them rebuild after World War II |
| Berlin Airlift | 327 day campaign to feed 2.1 million people cut off from the West by the Soviets |
| NATO | first peacetime US military alliance |
| Mao Zedong | leader of the Communist Chinese in their Civil War |
| Chiang Kai-shek | Leader of the Nationalist Chinese in the South during their Civil War |
| 38th parallel | pre and post war dividing line between North and South Korea |
| HUAC | congressional committee created to search out disloyalty to the United States |
| Hollywood Ten | writers and actors who chose not to cooperate with HUAC hearings |
| blacklist | names of people who were no longer able to work because of their suspected Communist background |
| Alger Hiss | Former State Department offical accused of being a Communist spy. Convicted of perjury. |
| Ethel & Julius Rosenberg | minor Communist Party activists, found guilty of spying and executed. |
| McCarthyism | anti-Communist era of the early 1950s known for accusing people of disloyalty without providing evidence. |
| John Foster Dulles | Author of a new foreign policy under Eisenhower that called for massive retalliation in the case of Soviet aggression. |
| Brinkmanship | a willingness to bring nations to the edge of war. |
| Warsaw Pact | Eastern European military alliance dominated by the Soviet Union |
| Nikita Khrushchev | criticized Stalin which caused some Eastern European nations to dream of breaking free of Soviet control. |
| Eisenhower Doctrine | the US would defend the Middle East from attack by any Communist country |
| U-2 incident | After Soviets reject Eisenhower's "open skies" proposal, a US spy plane is shot down over the Soviet Union intensifying the Cold Was tensions |
| domino theory | the idea that if one nation falls under Communist control, neighboring nations will also fall to Communism. |
| Berlin blockaide | retaliation against US, France & Great Britain for allowing West Germany to re-unite as one country |