Answer:
The Trump White House agreed to a May 1 troop withdrawal. New Yorker writer Dexter Filkins says Biden must now decide whether to honor a deal that included the Taliban but not the Afghan government.
These were called the Palmer raids and were a part of the red scare. He did it because they were accused of being communists and anarchists, or were just too much left and liberal. This was out of fear that they might get enough people and start their own revolution in the country.
I’m pretty sure B.
If I’m wrong someone else can give the answer.