The correct answer is D) They brought about the end of the red scare by clearing several supposed radicals.
The option that describes the main effect of the Palmer Raids is that they brought about the end of the red scare by clearing several supposed radicals.
The Red Scare provoked The Palmer Raids. There was the suspicion that the Communist and Anarchists were conspiring behind the government to begin a revolution lead by the workers of the U.S. Then, a bomb damaged the home of Attorney General A. Mitchell Palmer who instigated the 'Palmer Raids
The incident was this. In June 1919 eight bombs exploded in eight cities exploded. One of the bombs detonated in the home of U.S. Attorney General A. Mitchell Palmer, and the house was damages. Palmer’s reaction was to start a campaign against the communists and any other political radicals. The name of the campaign was Palmer Raids.
