More than 90% of people in the coverage gap residing in the South
It was the birth of communism and it ended up making the industrial revolution possible ( i believe)
D is the answer ( for cutting off our trade with parts of the world )
A major purpose of Fort Gibson in Oklahoma Territory was to A. hinder Plains Indians’ attempts to migrate to eastern United States territory B. coordinate the resettlement of American Indians arriving from the American southeast during the early to mid-1800s C. civilize ...
I'd say C for 10, D for 11, and A for 12.
But you might want a second person to verify.