What was the red scare in the 1920s and 1950s

answer:

A "Red Scare" is the promotion of a widespread fear of a potential rise of communism or anarchism by a society or state.The First Red Scare, which occurred immediately after World War I, revolved around a perceived threat from the American labor movement, anarchist revolution and political radicalism.

Explanation:

in griswold v. connecticut (1965), the supreme court ruled that a state's ban on the use of contraceptives violated the right to marital privacy.