USA HISTORY

Detailed explanation-1: -The Convention of 1818 was a treaty between the United States and Britain that set the 49th parallel of latitude as the boundary between British North America and the US across the West.

Detailed explanation-2: -On October 20, 1818, in order to improve relations in the wake of the War of 1812, Great Britain and the United States agree to peaceful coexistence in the Pacific Northwest by signing the Convention of 1818 (also known as the Treaty of Joint Occupation) in London.

Detailed explanation-3: -The Convention of 1818 set the boundary between the Missouri Territory in the United States and British North America (later Canada) at the forty-ninth parallel. Both agreements reflected the easing of diplomatic tensions that had led to the War of 1812 and marked the beginning of Anglo-American cooperation.

Detailed explanation-4: -The agreement extended the border along the 49th parallel to the Pacific Ocean but kept Vancouver Island within British North America. It was also agreed that British subjects living in the Oregon Territory south of the 49th parallel would retain navigation rights on the Columbia River.