Cold War

3. Zedong, Former President of the People's Republic of China
4. Practice of pushing a dangerous situation or confrontation to the limit of safety
6. Chi Minh, Former President of Vietnam
7. Plan, U.S. program of economic aid to help Europe rebuild after WW2
8. Easing of hostility or strained relations between countries
11. Delano Roosevelt, 32nd U.S. President
15. Nations, States that are not formally aligned with or against any major power bloc
16. United States tried to stop the spread of communism in the late 1940s
18. Missile Crisis, The moment when the two superpowers came closest to nuclear conflict

1. Pact, Treaty signed in Warsaw, Poland
2. Theory, Political event in one country will cause similar events in neighboring countries
4. Blockade, Soviet Union blocked the Western Allies railway, road, and canal access to the sectors of Berlin under Western control
5. War, Geopolitical tension between the United States and the Soviet Union
9. Doctrine, U.S. policy of giving economic and military aid to free nations getting threatened by the USSR
10. Wars, A proposed missile defense system intended to protect the United States from attack by ballistic strategic nuclear weapons
12. An intergovernmental military alliance signed on 4 April 1949
13. Castro, Former President of Cuba
14. Nations, An international peacekeeping organization founded in 1945
17. Curtain, Boundary separating the Communist nations of Eastern Europe from the democratic nations of Western Europe