During the cold war what senator spoke out about there being communist everywhere

Senator Joseph McCarthy (R, Wisconsin)

Explanation:

Senator McCarthy began what would be known as the Second Red Scare or the McCarthyism Era. He proclaimed that there were communists everywhere which caused a witch hunt that can be compared to that of the Salem Witch Trials.

although the legal justifications for the trials and their procedural innovations were controversial at the time, the nuremberg trials are now regarded as a milestone toward the establishment of a permanent international court, and an important precedent for dealing with later instances of genocide and other crimes

it further strained relations between the north and the south and convinced