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.

. D)was part of the Texas Annexation of 1846.

A) was acquired from Britain.

Explanation: The legend in the bottom left of the map shows the answer to this question: the Oregon territory was acquired from Britain.. The treaty that gave this to the U.S. was negotiated 2 years prior to the Mexican War, which had no effect on Oregon. All of these demonstrate the country's "Manifest Destiny" to settle the entire continent.

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