The Red Scare did occur in the United States after World War I and the rise of communism in Russia.
True, the Red Scare did indeed grip the United States in 1919 and 1920 after the emergence of communism in Russia following World War I. The Red Scare was characterized by heightened fear and paranoia surrounding potential threats from anarchism and communism, leading to actions such as the Palmer Raids and the suppression of leftist ideas.
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