Answer:
D. The Cold War
Explanation:
The strategy that provides the rationale of the buildup of the America in the 1950s was the national council of security. During this period, several people were forced out of their places of work. Hundreds of people became jobless, and this affected them almost for a decade.
Many employees were also investigated after they were fired, and later, some were also prosecuted. The hysterical spread across different parts of the country and people were forced to testify over their colleagues to be at a commonplace.
