(HC)Which statement explains how the Red Scare of the 1920s and the Red Scare of the 1950s were similar?
During both periods, Congress passed laws restricting the civil liberties of American citizens that met with overall public support.
During both periods, immigration restrictions were tightened because of fears of foreign influence.
During both periods, the Communist Party grew significantly in size despite the government's anti-communist efforts.
During both periods, there were numerous government employees involved in selling national security secrets to the Soviet Union.

Congress passed laws restricting the civil liberties of American citizens that met with overall public support.

Explanation:

The Red scare are periods characterize with promotion of a widespread fear of a potential rise over the perceived threat posed by Communists in the United States during the Cold War between the Soviet Union and the United States. The name "red scare" refers to red flags used by the communists.(Communists were referred to as “Reds” owing to their allegiance to the Soviet flag which is red).

The Red Scare led to varieties of actions that had profound and long lasting suffering effects on U.S. government and society.

Both of the periods of Red scare of 1920s and 1950s led to Congress passing laws that restricts the civil liberties of American citizens and this met with overall support of the public.

For example, In 1954, congress passed "Communist Control Act of 1954"that forbids members of communist party in America from holding any office in labor unions or other labor organizations.

1775 is your answer hope this