Treaty of Guadalupe Hidalgo

(1848)

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Impact

The most obvious impact of the treaty was that Mexico lost over half of its national territory to the United States. Although it was sparsely inhabited at the time, the ceded territory would grow in economic importance in the future. For example, the discovery of gold in California in 1848 set off a gold rush that transformed the region into an important economic center. Although much of the newly acquired land was arid, new technology and investment in irrigation would allow...