The Constitution
It forms a constitutional government
The answer would most likely be B.
It was the "Palmer Raids" that searched suspected Communists' houses without search warrants, although it should be noted that this applied to a variety of far-left groups, not just communists.
I have no idea I'm not that smart when it. comes to stuff like this sorry
He was a civil rights leader in the 1960s and is best known for his "I Have a Dream" speech during the march on Washington in 1964. On April 4,1968 he was assassinated.