How a single treaty completed the borders of the lower 48

History · Published 7 October 2026 Swipe more like this →

In short: Discover the significance of the Gadsden Purchase, a pivotal 1853 agreement shaped by the complex politics and economics of the era.

This video explores the Gadsden Purchase, a treaty whose first draft was signed on December 30, 1853. The agreement was fundamental in finalizing the borders of the contiguous United States and carried heavy political consequences for both the United States and Mexico.

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