USA HISTORY

Detailed explanation-1: -Both Great Britain and America claimed the territory. The Treaty of 1818 called for joint occupation of Oregon-a solution that was only temporary.

Detailed explanation-2: -The Oregon Territory stretched from the Pacific coast to the Rocky Mountains, encompassing the area including present-day Oregon, Washington, and most of British Columbia. Originally Spain, Great Britain, Russia, and the United States claimed the territory.

Detailed explanation-3: -In 1846 the Oregon Treaty was signed between the US and Britain to settle the boundary dispute. The British gained the land north of the 49th parallel, including the Vancouver Island and the United States received the territory south of the parallel.

Detailed explanation-4: -Both countries could claim land and both were guaranteed free navigation throughout.

Detailed explanation-5: -On August 14, 1848, Congress formally established the Oregon Territory, which embraced the present-day states of Washington, Oregon, and Idaho.