4. Why did many Americans fear the Soviet Union?
A. They feared that the Soviet Union would take power in the United States.
B. They feared that the United States would do what the Soviet Union wanted.
C. They feared that the Soviet Union would destroy the American economy.
D. They feared that the United States would become the only superpower.

Among the options shown here:

A. They feared that the Soviet Union would take power in the United States.

Explanation:

Fears of communist rising influence in the USA existed since the beginning of the Russian Revolution of 1917. Violence and harsh methods used by the Bolsheviks inspired feared and rejection among Americans. After the First World War, the US saw a social and political phenomenon known as the Red Scare. When the Cold War started, fears of communist penetration and influence spread, as the global rivalry with the Soviet Union evolved. Many leftists and liberals were suspected of being Soviet spies. It was another Red Scare. In the 1950s, senator Joseph McCarthy led a campaign to find Soviet spies or sympathizers that had a long impact in American politics.

During the Renaissance period, intellectuals view mathematics by believing that mathematics was the key to understanding the nature of things in the universe. It was the key to navigation, military service, and geography. Hope this answers the question.