The term "McCarthyism" has broadened steadily since its origination. It now means, in its broadest sense, . A. the practice of making accusations of disloyalty, especially in instances unsupported by proof. B. harassment and/or blacklisting used to pressure people to follow popular political beliefs. C. the opposition to Communism, particularly in the United States, during the 1950s. D. an intense worldwide fear or suspicion of Communism.