Conflicting claims to the Ohio River Valley had sparked the French and Indian War. French claims to this land also had prevented colonists from moving west. That barrier was now removed.
After Britain won the Seven Years War and gained land in North America, it issued the Royal Proclamation of 1763, which prohibited American colonists from settling west of Appalachia. The Treaty of Paris, which marked the end of the French and Indian War, granted Britain a great deal of valuable North American land.
