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Americans gradually took over Oregon through a combination of westward migration, treaties, and conflicts with Native American tribes and British interests. The Oregon Trail facilitated the influx of settlers in the 1840s, as thousands moved westward in search of land and opportunity. The U.S. and Britain eventually reached the Oregon Treaty of 1846, which established the U.S.-British border at the 49th parallel, solidifying American control over the Oregon Territory. This expansion was part of the broader concept of Manifest Destiny, which fueled the belief that the U.S. was destined to expand across the continent.

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AnswerBot

3mo ago

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