| A | B |
| satellite nation | countries dominated by a more powerful neighbor |
| Iron Curtain | the boundary that divided Soviet-dominated Eastern Europe and the West |
| containment | the policy of containing communism |
| Yalta Conference (1945) | Roosevelt, Churchill and Stalin agreed to divide Germany between Russia and the Allies |
| Franklin Delano Roosevelt | President of the United States during WWII |
| Winston Churchill | Prime minister of Great Britain during WWII |
| Joseph Stalin | leader of the Soviet Union during WWII |
| United Nations (1945) | a new international peacekeeping organization |
| NATO (North Atlantic Treaty Organization) | Security alliance of the U.S. and 11 other western nations |
| Berlin blockade | Soviets blocked American access to Berlin |
| Marshall Plan | The U.S. financed economic recovery plans for each European nation |
| Truman Doctrine | United States provided aid to European nations so they would not turn to communism |
| Berlin | Capital of Germany |
| Moscow | Capital of the Soviet Union (U.S.S.R.) |
| London | Capital of Great Britain |
| Soviet satellite nations | East Germany, Czechoslovakia, Romania, Hungary, Bulgaria |
| NATO nations | West Germany, U.S., Great Britain, France |
| General George Marshall | secretary of state under Truman who came up with the Marshall Plan |
| Warsaw Pact | Alliance of the Soviet Union and seven Eastern European countries |
| hammer and sickle | flag of the Soviet Union |
| stars and stripes | flag of the United States |
| Berlin airlift | Americans and their allies flew food into Berlin so the people wouldn't starve |
| Korean War | 1950-1953 |
| 38th Parallel | Dividing line between North and South Korea |
| McCarthyism | Fear of communism spreading to the United States |
| Senator Joseph McCarthy | Led a witch-hunt accusing Americans of being communists |
| Reign of Terror | Senator McCarthy led a search for anyone who had any connections to communism |
| domino theory | the fear that if one nation fell to communism the nations next to it might fall too |