| A | B |
| Cold War | A time of increased tension between nations (1945-1989) |
| Arms Race | When two nations build up their supply of nuclear missiles ans atomic weapons |
| Berlin Airlift | How the US sent aid to West Berlin when the Soviets set up a blockade from East German routes |
| Martin Luther King | A civil rights leader of the 1960's |
| Rosa Parks | A black woman who refused to give up her seat on the bus in Alabama that started civil rights movement |
| Civil Disobedience | non violent protests against unjust laws |
| Brown vs. Board of Education | A 1954 Supreme Court case where a balck family challenged segregation in the schools in Topeka |
| Baby Boom | An increase in the population due to the number of births |
| NATO | The North Atlantic Treaty Organization which is an alliance involving the U.S.and other Western European nations |
| Warsaw Pact | A military alliance formed by the Soviet Union and other Eastern European nations |
| Truman Doctrine | Aid from America after WWII given to Italy and Greece to ward off Communist expansion |
| Marshall Plan | Aid to European countries to rebuild their nations after WWII in an effort to reduce communist resvolutions in war-torn Europe |
| United Nations | A peace keeping organization that began in 1945 which contains the General Assembly and Security Council |
| Containment | Stopping the spread of Communism to other countries |