WORLD HISTORY

Detailed explanation-1: -[The American Heritage Dictionary gives the definition of McCarthyism as: 1. The political practice of publicizing accusations of disloyalty or subversion with insufficient regard to evidence; and 2. The use of methods of investigation and accusation regarded as unfair, in order to suppress opposition.]

Detailed explanation-2: -The blacklist involved the practice of denying employment to entertainment industry professionals believed to be or to have been Communists or sympathizers. Actors, screenwriters, directors, musicians, and other American entertainment professionals were barred from work by the studios.

Detailed explanation-3: -A Red Scare is the promotion of a widespread fear of a potential rise of communism, anarchism or other leftist ideologies by a society or state. The term is most often used to refer to two periods in the history of the United States which are referred to by this name.