Answer: Driving the French out of East Texas.
The primary goal of the European Union is to reduce the possibility of discord between the European nations, which have a long history of conflict, but uniting their economic and social goals--in the hopes that choosing conflict over cooperation would not be in anyone's best interest.
It was the proclamation that forbade colonial settlements west of the Appalachian mountains. It put a stress on the relations between Britain and the Colonies because they believed that they had a right to continue to spread and take more land. This caused a good bit of problem between them.
The French and ultimately the Indians lost. The French lost Quebec and Canada to the British. This ended the French support of the Indians which had limited western advancement of the 13 Colonies.