Question

What was one reason that anti-immigrant hysteria swept the nation? (5 points) Immigrants were associated with anarchism and communism. Foreigners were held to blame for the Depression of 1920. Americans felt a lingering hatred for the nations they had fought. Politicians believed that immigrants generally supported the opposition party.

Answer 1

One reason that anti-immigrant hysteria swept the nation was because "Immigrants were associated with anarchism and communism," since during the Cold War there was a sweeping paranoia over a communist "takeover" of the United States. 

Answer 2

I believe the answer is: Immigrants were associated with anarchism and communism

During that period, united states was involved in the cold war against the Soviet Union. At that time, most people were scared that the agents from communist countries could come into united states through immigration process, which create the anti-immigration hysteria.