| A | B |
| Mao Zedong | took control and created the People's Republic of China |
| House Un-American Activities Committee | A congressional committee created to search out disloyal Americans & Communists. |
| blacklisting | list of people suspected to be communists, people on the list were prevented from finding work |
| Rosenbergs | Husband and wife tried/excuted for treason under suspecision of communist influence and trading atomic bomb secrets with the Soviet Union |
| Joseph McCarthy | United States politician who unscrupulously accused many citizens of being Communists |
| Arms Race | Cold war competition between the U.S. and Soviet Union to build up their respective armed forces and weapons |
| Duck and Cover | Schoolchildren practiced crawling under their desks and putting their hands over their heads to protect themselves from an atomic bomb attack. |
| Bomb Shelters | After WWII and the atomic bombs, thousands of families built these in their yards to be safe from possible attacks. |
| Sputnik | The first artificial satellite sent into space, launched by the Soviets. |
| NASA | The United States government agency responsible for the civilian space program as well as aeronautics and aerospace research. |
| CIA | an independent agency of the United States government responsible for collecting and coordinating intelligence and counterintelligence activities abroad in the national interest |
| espionage | the act of spying, especially a government spy obtaining secrets of another government |
| Baby Boom | the larger than expected generation in United States born shortly after World War II |
| Highway Act | 1956 Congressional action that led to the current interstate highway system, Eisenhower's legacy |
| suburban neighborhood | Urban area beyond the political boundaries of a city and tend to be organized by class, income level, or race |
| urban sprawl | the unplanned and uncontrolled spreading of cities into surrounding regions |
| Urban Renewal Program | a plan to improve life in cities due to all the people moving to suburbs |
| Rock n Roll Revolution | integrated the black sounds of rhythm and blues and gospel, with the white influences of country, folk and pop. |
| Beatniks | small group of writers and artists, in the 1950s and early 1960s, who were critical of American society |