Multiple choice Why did the King pass the Proclamation of 1763? to keep peace with the natives to remove the colonies from British rule To proclaim that he is now under the law to sell the land west of the Mississippi Reveal answer Fill a bubble to check yourself A Correct answer Explanation The Proclamation of 1763 was issued by King George III to forbid colonial settlement west of the Appalachian Mountains to prevent conflict with Native American tribes following the French and Indian War.