Following World War I, the First Red Scare caused….
 A)
 a national mistrust of Hollywood movies and many in the
 entertainment industry.
 B)
 the United States to enter into a mutual-defense alliance with the
 capitalist countries of Europe.
 C)
 prominent anti-Communist Mitchell Palmer to be appointed to the
 House Un-American Activities panel.
 D)
 the US government to repeatedly infringe on freedoms of the
 American people guaranteed in the Bill of Rights.