Following World War I, the First Red Scare caused%0D%0A%0D%0AA. %0D%0Aa national mistrust of Hollywood movies and many in the entertainment industry.%0D%0A%0D%0A%0D%0AB. %0D%0Athe United States to enter into a mutual-defense alliance with the capitalist countries of Europe.%0D%0A%0D%0A%0D%0AC. %0D%0Aprominent anti-communist Mitchell Palmer to be appointed to the House Un-American Activities panel.%0D%0A%0D%0A%0D%0AD. %0D%0Athe US government to infringe on freedoms of the American people guaranteed in the Bill of Rights.