What began to replace water power in factories?

Why are primary sources important when studying historical events

Where were the trials to review evidence in cases against high-ranking nazi officials accused of war crimes held?

What does the country say concerning the status of free blacks living in the united states? a) they have the same rights as any other "free" people, and are full citizens. b) they have the same rights as any other "free" people, but are not properly citizens. c) they are citizens, but don't have the full rights granted to other citizens. d) they are not citizens, and have no right to petition the court.