| A | B |
| Cold War | competition between USA and U.S.S.R after WWII |
| superpowers | U.S. and Soviet Union |
| communism | government that owns all the business and property |
| dictator | leader of a communist government |
| North Korea, China, Cuba | examples of communist countries |
| Japan, West Germany, South Korea | examples of democratic countries |
| democracy | government where people elect their leaders |
| iron curtain | invisible line that separates democratic Europe from communist Europe |
| arms race | competition between superpowers to get the best/most weapons |
| idea that if one country became communist, its neighbors would too | domino theory |
| agreement to stop fighting | cease-fire |
| rocket that can shoot far | missile |
| conflict that ended in a stalemate | Korean War |
| the beginning of the collapse of communism in Europe | Berlin Wall comes down |
| conflict that ended in U.S. leaving | Vietnam War |
| containment | keeping communism from spreading |
| blockade | using warships to stop missiles from getting to Cuba |
| conflict that ended in the U.S.S.R. ships turning back | Cuban Missile Crisis |
| anti-war | against the war |
| collapse | falling apart, end |
| Soviet Union/ U.S.S.R. | communist superpower that eventually collapsed |