B: Palmer Raids
C: Fear of Bolshevism
U really dont know the answer for the question you asking
B I think, slavery increased tons in the south because of Rice and other cash crops. The south was big on agriculture.
The anti-federalists believed that the Constitution would take away critical powers from the states, and warned that without a Bill of Rights the government might also take away the rights of the people that were just won in the Revolution.