USA HISTORY

Detailed explanation-1: -The second Red Scare occurred after World War II (1939–1945), and is known as “McCarthyism” after its best-known advocate, Senator Joseph McCarthy.

Detailed explanation-2: -Senator Joseph R. McCarthy was a little-known junior senator from Wisconsin until February 1950 when he claimed to possess a list of 205 card-carrying Communists employed in the U.S. Department of State.

Detailed explanation-3: -It was the Truman Administration’s State Department that McCarthy accused of harboring 205 (or 57 or 81) “known Communists". Truman’s Secretary of Defense, George Marshall, was the target of some of McCarthy’s most vitriolic rhetoric.