feb 2, 1848 - Treaty of Guadalupe Hidalgo.
Description:
The United States agreed to pay $15 million in return for more than one-third of its territory. This was instituted by President James Polk and the Senate. This treaty led to the end of the Mexican-American War but the news states introduced because of the end of the war, included more division between the North and South, and it also created more political problems.
Added to timeline:
Crisis of the Union Timeline
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