What war was fought to conclude the expansion of U.S. territory in the Mexican-American War? 🔊
The war fought to conclude the expansion of U.S. territory during the Mexican-American War was the Mexican-American War itself, which occurred from 1846 to 1848. Instigated by the U.S. annexation of Texas and disputes over its border, the conflict resulted in significant territorial gains for the United States. The Treaty of Guadalupe Hidalgo, signed in 1848, ended the war and ceded large portions of Mexico's northern territories, including present-day California, Arizona, New Mexico, Nevada, and Utah, to the U.S. This expansion fostered growth and development, albeit intensifying the debates over slavery in newly acquired territories, influencing future sectional tensions.
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