The statement “The British set aside land west of the Appalachians for American Indians, but the colonists refused to leave” best describes the result of Pontiac’s Rebellion.
Pontiac's War, Pontiac's Conspiracy, or Pontiac's Rebellion was a war that was launched in 1763 by a loose confederation of elements of Native American tribes primarily from the Great Lakes region, the Illinois Country, and Ohio Country who were dissatisfied with British postwar policies in the Great Lakes region after the British victory in the French and Indian War (1754–1763).
The correct answer between all the choices given is the second choice or letter B. I am hoping that this answer has satisfied your query and it will be able to help you in your endeavor, and if you would like, feel free to ask another question.