The Palmer Raids, a series of mass-arrests of alleged radicals in 1919 and 1920, occurred because of A the cold war B terrorism. C the Red Scare.
D Prohibition.
I think the correct answer from the choices listed above is option C. The Palmer Raids, a series of mass-arrests of alleged radicals in 1919 and 1920, occurred because of the red scare. Hope this answers the question. Have a nice day.