The statement given is most significant in the context of the cold war .
Option - C
Explanation:
Joseph R. McCarthy was a republican senator of Wisconsin. He was called Red Scare for most of the American. He was once involved in trying to prove that the communists loyalist in the US government.
He worked for around five years to expose them to the suspicious atmosphere of cold war. Because of him Americans of the view that the government was gain access to communists and soviet spies. McCarthy’s allegations were so frightening that people are dared to speak out against him. On the day second December 1954 senate warned Joseph McCarthy which earned him censure.