Answer:
Option D
Step-by-step explanation:
Foreign-born people he considered radicals, especially anarchists and communists, is the correct option.
The Palmer raids were the raid conducted between November 1919, January 1920. During the Red scare in the United States. In the raids suspected Leftists, Anarchists and Communists arrested and deported from the united states. Italian and Jewish migrants were the main victims.
Attorney general A Mitchell Palmer was in charge of the raids. The prime reason for the Palmer raids was the fear of the spread of communism in the USA after world war one and Russian Revolution.