The British approved the Proclamation of 1763 in order to
A) raise taxes in the North American colonies to pay for a war against the Indians in the frontier.
B) outlaw slavery in the northern colonies and to ensure its survival in the southern colonies.
C) help avoid Indian conflict on the frontier and to confine American settlements to the Atlantic seaboard.
D) force the Indian tribes defeated in the French and Indian War to move to territory west of the Mississippi River.