Why did the Pope Urban II need a army ?

How did political revolutions in the atlantic ocean basin affect or alter the institution of slavery and the lives of slaves

Which type of constitutional power allows congress to regulate immigration and naturalization?

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.