The correct answer is letter A
Explanation: Joseph Raymond McCarthy, and the anti-communist crusade he promoted took the nickname of Macarthism.
The so-called “witch hunt” began in 1950. Only between 1953 and early 1954, at the head of the Senate's Subcommittee on Permanent Investigations, McCarthy watched 653 people accused of “being dangerous to social life” - and brought dozens to trial.