McCarthyism


Sputnik


arms race


communists

1.
Competition between U.S. and Soviets to develop superior weapons

2.
When the Soviets launched _______________, America devoted even more resources to space and technology research.

3.
The House Un-American Activities Committee investigated individuals believed to be ________________.

4.
Senator Joseph McCarthy's movement against suspected communists in the U.S. Government and military was known as __________________.