Answer:
Location a: Andes Moutains
Location b: The Mexican Plateau
Explanation:
The Battle of Bunker Hill took place on June 17, 1775, just a few months after the start of the American Revolutionary War.
In the beginning, of the Civil War the North and South were not fighting over slavery. But as the War progressed, it suddenly became a War about freedom. Thus, A, The War would bring an end to slavery, is your answer.