Which statement is true about the palmer raids

As there is no statements but the true about Palmer raids is that they targeted immigrants.
The Palmer Raids, which is also known as Palmer red raids were a progression of strikes directed by the United States Department of Justice to catch, capture and extradite speculated radical liberals, particularly rebels, from the United States. Under the initiative of Attorney General A. Mitchell Palmer, the assaults and captures happened in November 1919 and January 1920.

  the domino theory states that  if one country in a region came under the influence of communism, then the surrounding countries would follow in a  domino  effect.

Ibelieve it is a. happy happy