This article provides information on political correctness (PC). PC, as an expression, began years ago as something of a joke to describe communists who slavishly toed the party line. In the eyes of the right-wing anti-PC forces, this modern crusade toward multiculturalism sprang from the machinations of the 1968 campus radicals.
Boase, P. H. (1993). Political correctness--correct? Journal of the Association for Communication Administration, 22(1), 27–33.