USA HISTORY

Detailed explanation-1: -The treaty established the 49th parallel from the Rocky Mountains to the Strait of Georgia as the boundary between the United States and British Canada.

Detailed explanation-2: -The forty-ninth parallel is the line of latitude that forms the boundary between Canada and the US from Lake of the Woods to the Strait of Georgia. Cutting on the 49th parallel, on the right bank of the Moyie River, looking west, 1860 (courtesy North American Boundary Commission).

Detailed explanation-3: -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.

Detailed explanation-4: -The Webster–Ashburton Treaty, signed August 9, 1842, was a treaty that resolved several border issues between the United States and the British North American colonies (the region that became Canada).

Detailed explanation-5: -The United States and Great Britain signed the Treaty of Oregon on June 15, 1846, ending 28 years of joint occupancy of the Pacific Northwest. The treaty established the 49th parallel as the border between the two countries.