The purpose of the Proclamation of 1763 was to prevent further white settlement on American Indian lands. This is still of importance to First Nations living in both Canada and the United States today. A line was drawn along the Appalachian Mountains where settlement was forbidden and this was essentially the line of demarcation between British Canada and the Colonies.
The correct answer is D) settling conflicts associated with the settlement of western lands (The issue over the western lands was solved under the Articles.)