Did the Proclamation of 1763 affect the colonies positively or negatively?

"The Proclamation of 1763 was issued by the British at the end of the French and Indian War to appease Native Americans by checking the encroachment of European settlers on their lands."

Explanation:

I'd say it was a positive effect. The proclomation was to not only appease native americans but to give them back some of the land that was stolen from them. Although this angered the colonists.