The answer is A, C & D make no sense. B is not wrong, but A is the better answer.
Answer:
they try to tell you about the history of a particular place
Answer: Cotton
Cotton was most associated with the upcountry. Rice was most associated with the lowcountry
Samuel Gompers began the federation of labor.
I believe the answer would be
B. created a new federal judiciary system with John Marshall as Chief Justice of the United States.