<P> The Treaty of Paris was the official conclusion of the Seven Years' War, of which the French and Indian War was the North American theater . Under this treaty, France ceded ownership to Britain all of continental North America east of the Mississippi River, including Quebec, and the rest of Canada . Spain received all French territory west of the Mississippi . Both Spain and Britain received some French islands in the Caribbean . France kept a few small islands used by fishermen, modern - day Haiti and the rich sugar island of Guadeloupe . </P> <P> Besides regulating colonial expansion, the Proclamation of 1763 dealt with the management of inherited French colonies from the French and Indian War . It established government for four areas: Quebec, West Florida, East Florida, and Grenada . </P> <P> Some Native American peoples--primarily in the Great Lakes region--had a long and close relationship with France, and were dismayed to find that they were now under British sovereignty . They missed the amicable relationship with the French, along with the gifts they bestowed upon them, neither of which they had with the British . Pontiac's Rebellion (1763--66), a war launched by a group of natives around the Great Lakes and Ohio Valley, was an unsuccessful effort by the western tribes to push the British back . However tribes were able to take over a large number of the forts which commanded the waterways involved in trade within the region and export to Great Britain . The Proclamation of 1763 had been in the works before Pontiac's Rebellion, but the outbreak of the conflict hastened the process . British officials hoped the proclamation would reconcile American Indians to British rule and help to prevent future hostilities . </P> <P> At the outset, the Royal Proclamation of 1763 defined the jurisdictional limits of the conquered territory . Out of what had been the Canada colony of New France, a diminutive new colony, the Province of Quebec was carved . The territory northeast of the St. John River on the Labrador coast was placed under the Newfoundland Colony . The lands west of Quebec and west of a line running along the crest of the Allegheny mountains became Indian territory, temporarily barred to settlement, to the great disappointment of the land speculators of Virginia and Pennsylvania, who had started the Seven Years' War to gain these territories . The proclamation created a boundary line (often called the proclamation line) between the British colonies on the Atlantic coast and American Indian lands (called the Indian Reserve) west of the Appalachian Mountains . The proclamation line was not intended to be a permanent boundary between the colonists and Aboriginal lands, but rather a temporary boundary which could be extended further west in an orderly, lawful manner . It was also not designed as an uncrossable boundary; people could cross the line, just not settle past it . Its contour was defined by the headwaters that formed the watershed along the Appalachians . All land with rivers that flowed into the Atlantic was designated for the colonial entities, while all the land with rivers that flowed into the Mississippi was reserved for the native Indian population . The proclamation outlawed the private purchase of Native American land, which had often created problems in the past . Instead, all future land purchases were to be made by Crown officials "at some public Meeting or Assembly of the said Indians". Furthermore, British colonials were forbidden to settle on native lands, and colonial officials were forbidden to grant ground or lands without royal approval . The proclamation gave the Crown a monopoly on all future land purchases from American Indians . </P>

Which development caused the british to declare the proclamation of 1763