The Mexican-American War resulted in 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. Through the Treaty of Guadalupe Hidalgo, Mexico ceded territories including present-day California, Nevada, Arizona, New Mexico, Texas, Utah, Colorado, Wyoming, and Kansas. This led to a significant expansion of U.S. territory, fueling the concept of Manifest Destiny.
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