Great Britain and the U.S. claimed the territory because of their earlier expeditions. Great Britain with the James Cook's exploration of the Columbia River and the U.S. with the Lewis and Clark exploration in 1804. In 1846 they both made a Treaty to cede the territory to the U.S.
The Correct Answer is A). The Oregon territory was acquired from Britain.
Explanation:
In 1818 United States and Britain agree to share the Oregon territory.
President Polk wants to control the Oregon territory and was ready to go to war with Britain.
The Oregon territory Dispute was settled peacefully after the Treaty of Oregon in 1846. In which Oregon territory boundaries were solidified with Canadian boundaries from the 49th parallel on the North.
The Munich Agreement allowed territory belonging to Czechoslovakia around the borders of Germany (where many Germans already were located) to be annexed to form what the Germans called "Sudetenland".
The earliest large cities in colonial North America were located on the northeastern coast. These cities include Boston, New York City and Philadelphia.