The correct answer is D) Americans became more open and welcoming to immigrants.
The option that was not a result of the Red Scare was "Americans became more open and welcoming to immigrants."
The Red Scare was the time in America during the Cold War years, when Republican Senator from Wisconsin, Joseph McCarthy, accused many people that worked in the military and the US government, of having ties with Communists. The accusations were not supported by arguments, but many people had problems and affected their reputation.
