"PC was a useful invention for the Republican right because it helped the movement to drive a wedge between working-class people and the Democrats who claimed to speak for them. “Political correctness” became a term used to drum into the public imagination the idea that there was a deep divide between the “ordinary people” and the “liberal elite”, who sought to control the speech and thoughts of regular folk. Opposition to political correctness also became a way to rebrand racism in ways that were politically acceptable in the post-civil-rights era."