The correct answer is <span>Appalachian Mountains </span>While they do not run the entire length of the Proclamation Line of 1763, the Appalachian Mountains were the main reason for the Parliament's decision to create it after the Seven Years War. Parliament
wanted to keep colonists on the eastern side for two reasons: to
protect them from Indian attack and to keep an eye on colonists who
might stir up dissent against the British Crown.
