The Treaty of Paris in 1763 marked the end of the Seven Years' War and significantly altered the balance of power in North America. It ceded Canada and all French territories east of the Mississippi River to Britain, while Spain ceded Florida but gained Louisiana from France. This treaty diminished French influence in North America, solidifying British dominance. It also sowed seeds of discontent among the American colonies, as the new territorial arrangement and British taxation policies contributed to rising tensions that eventually led to the American Revolution.