Question

What is the most significant and lasting legacy from the presidency of James K. Polk?

A. The Oregon Treaty of 1846

B. Vast land acquisitions

C. The re-establisment of the U.S. Treasury

D. The founding of the Naval Academy
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Answer 1

Vast land acquisitions

Step-by-step explanation:

Answer 2

B

Step-by-step explanation:

Polk's administration was notable for territorial expansion, including the Oregon Territory and the Mexican Cession.

Most important thing to note is the territorial expansion so please get confused with A because it was the treaty itself it was the land