1950s Crossword Puzzle

1. a landmark decision of the U.S. Supreme Court which ruled racial segregation in public schools unconstitutional.
5. living in these help avoid the density and untidiness of the city.
7. Served as the boundary between North Korea and South Korea.
8. a United States Army medical unit serving as a fully functional hospital in a combat area.
10. a political and economic system in which the major productive resources in a society are owned by the public or the state.
13. The commander of the U.S.-led U.N. force sent to aid the south.
14. Stood as the main U.S.-led military alliance against the Soviet Union throughout the duration of the Cold War.
15. he provided leadership in the Montgomery Bus Boycott of 1955.
16. the dictator of the Soviet Union.
19. competition between the Soviet Union and the United States to achieve spaceflight capability.
20. refused to give up her seat on a Montgomery city bus to a white person.
22. a group of nine African American students enrolled in Little Rock Central High School.

2. competition in nuclear warfare between the United States, the Soviet Union, and their respective allies during the Cold War.
3. preparedness measure in the United States designed to be a defense response in the case of a nuclear attack.
4. The King of Rock and Roll.
6. the Union of Soviet Socialist Republics.
9. His mother held an open casket to show the world what American racism was.
11. a civil rights protest during which African Americans refused to ride city buses in Montgomery.
12. stated the US should give support to countries or peoples threatened by Soviet forces or Communism.
17. a collective defense treaty established by the Soviet Union and seven other Soviet satellite states.
18. Both sides of Korea had given up trying to unify Korea by force which resulted in a ________.
21. The Soviet Union successfully launched this and entered it into Earth's orbit.