I believe it was because both blacks and whites were moving west to the cities to find jobs.
hope i helped :)
I'm pretty sure (1.) is A, and I know for a fact that (3.) is D because slavery was a regular practice between quarreling tribes. I have no clue what (2.) is. Best of luck.
Answer:
The French and Indian War altered the relationship between Britain and its American colonies because the war enabled Britain to be more "active" in colonial political and economic affairs by imposing regulations and levying taxes unfairly on the colonies, which caused the colonists to change their ideology from toleration to resentment toward Britain. i could loki do the whole thing lml
A future states to the north of a set point would be free.