The United States, Great Britain, Spain, and Russia claimed the Oregon territory, in other words, the Oregon Country.
The United States, Great Britain, Spain, and Russia claimed the Oregon territory, in other words, the Oregon Country.
The Adams-Onís Treaty, signed in 1819, primarily involved the United States and Spain. As a result of this treaty, Spain ceded its claims to the Oregon Territory, which allowed the U.S. to assert its claim over the region. Therefore, the countries that claimed the Oregon Territory following the treaty were primarily the United States and, prior to the treaty, Spain.
Britian, Russia, Spain and the United States all had competing claims to Oregon.
Russia,France,Great Brittian,and the United States
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Prior to becoming U.S. territory, the Oregon Territory was claimed by several nations, primarily by Great Britain and the United States. The region was jointly occupied under the Oregon Treaty of 1846, which effectively settled the dispute between the two countries. Before that, it was inhabited by various Indigenous peoples and explored by European nations, including Spain and Russia. Ultimately, the United States took full control of the territory after the treaty.
U.S. and Britain
The Adams-Onís Treaty, signed in 1819 between the United States and Spain, resulted in Spain ceding its claims to the Oregon Territory to the U.S. While the treaty primarily addressed the boundaries between U.S. and Spanish territories in North America, it effectively strengthened U.S. claims to the Oregon Territory. After the treaty, the U.S. and Great Britain would later negotiate for control over the region, leading to the Oregon Treaty of 1846 that ultimately settled the territory's status.
The United States and Great Brittain -NovaNet
Russia, Spain, the United Kingdom, and the United States all claimed Oregon Country (Oregon territory). Spain and Russia eventually dropped out, then the UK and US decided to split the territory in half along the 49th parallel, which today makes up some of the border of the US and Canada.
The United States and Great Britain acquired Oregon country from Spain as the result of the Adams-Onis Treaty. Spain previously had claimed Oregon for 250 years.
There are no countries there but countries have claimed parts of Antarctica. For example Scott Base is in New Zealand territory.