Most slaves were field workers, easily replaced, and therefore, the Europeans filled their pockets with goods from West Coast Africa, including human cargo.
Hope this answer helps.
“The political geography of this nation was a product of various treaties and acquisitions that eventually resulted in the country extending from the Atlantic to the Pacific Ocean.”
So the answer must be:
C.) The United States gained the area between the Atlantic Ocean and Appalachian Mountains from the original thirteen colonies in 1770.
Both A and E seem right but I think it’s E