The need to keep records of taxes led to the development of a written number system.

Why was the battle of gaugamela an important turning point in alexanders conquest of persians empire

In some african american communities, unemployment was as high as percent.

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.