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The Mexican-American War was a conflict between the United States and Mexico, resulting in the U.S. gaining a significant amount of land.
(signed Feb. 2, 1848) formally ended the , ceded roughly 525,000 square miles to for $15 million, and on paper offered Mexican residents in the ceded territories a clean choice: relocate to or remain ...
The single largest land purchase by in terms of area was the of 1803, which added roughly 827,000–828,000 square miles (about 530 million acres) to the nation and was bought for roughly $15 million — ...
from through , signed February 2, 1848, in which Mexico ceded Alta California and a vast tract of northern territory to the U.S. in the wake of military defeat and occupation; the treaty included a pa...