Southern blacks lost rights in the years after the thirteenth fourteenth and fifteenth amendments because the North withdrew many of the troops that had been enforcing these new laws, leaving southerners to pass a series of Jim Crow laws that prohibited blacks from voting, gaining jobs, and a variety of other things in the South.
The concept of separation of powers is a way to divide power equally among the three government branches while not giving one branch too much power over the others.
Answer:
became more common in northern Europe, and Protestants tended to interpret witchcraft as making a pact with the Devil