After the french and indian war, the english gained control of the land between the appalachian mountains and the mississippi river. in 1763, the king issued the royal proclamation, which stated that the colonists could not move to the land west of the appalachian mountains. this was done mostly to keep good relations between the british and native americans, since many native american lands were located west of the mountains. how did the royal proclamation of 1763 impact colonial opinion towards the king of england? a. colonists argued that native americans would not respect the proclamation. b. colonists were upset that the king would restrict their expansion westward. c. colonists disagreed with expanding their lands after the french and indian war. d. colonists agreed with the king that native american land should be respected.