USA HISTORY

Detailed explanation-1: -The northern boundary of Oregon was the latitude line of 54 degrees, 40 minutes. “Fifty-four forty or fight!” was the popular slogan that led Polk to victory against all odds. Oregon City, along the banks of the Willamette River, the final stop along the Oregon Trail as it appeared in 1848.

Detailed explanation-2: -The southernmost border of Alaska remains 54°40′ since the purchase from Russia on October 18, 1867, with British Columbia, established as the Colony of British Columbia on August 2, 1858.

Detailed explanation-3: -In 1844, James K. Polk was elected president with the slogan “54’40 or fight!” This slogan also showed the British that the United States was prepared for war if they did not turn over all of Oregon.

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.

Detailed explanation-5: -The Western Frontier was the last great place to be settled by the U.S., and U.S. Citizens wanted that land to be theirs. The land was optimal for farming and had plenty of space to spread out from the over populated cities. U.S. Congressional Map on states that had formed from the Oregon Treaty.