The Mexican-American War led to Mexico losing a significant portion of its territory to the United States.
One of the main consequences of the Mexican-American War was that Mexico lost a significant portion of its territory to the United States. The Treaty of Guadalupe Hidalgo resulted in Mexico ceding territories including California, Arizona, New Mexico, Texas, Utah, Nevada, and parts of other states to the United States, totaling 525,000 square miles.
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