| A | B |
| Cold War | state oftension between the two superpowers |
| Soviet Union | Communist & dictatorial |
| United States | Democratic & capitalist |
| Warsaw Pact | alliance of communist countries |
| NATO | alliance of democratic countries |
| Korean War | 1950-53 - ended in a stalemate |
| Cuban Missile Crisis | 1962 - Soviets tried to place nuclear missiles in Cuba |
| Vietnam War | 1960s-73 Unpopular war, U.S. withdrew, country became communist |
| Arms race | countries compete to have the most weapons |
| Domino theory | fear that one country after another would fall to communism |
| Policy of Containment | to NOT let communism spread any further |
| Destruction of the Berlin Wall | symbolized the collapse of communism in Europe |