What made the climate of northern africa change from tropical to grasslands and then to desert?

-what is one question you might ask after reading the fred munguia's story?

What was the earliest settlement shown on the map?

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.