The Sahara Desert is the reason that north africa is differently developed than southern africa.
They had a lot of cotton that was needed to make clotheing. Although I don't remember much of the industrial revolution, I know this. it's best you listen to other answers as well to put the pieces together.
C is the answer I believe
Cause if everyone had to much money the constitution would break apart
The best answer would be A. To ensure Native American rights
Best of luck!!