According to this map, the oregon territory a) was acquired from britain. b) remained in foreign control. c) was purchased because of the mexican war. d) was part of the texas annexation of 1846.

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.

Map of "Oregon territory" added.

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