Mexican-American War

Definition

The Mexican-American War (1846-1848) was a conflict between Mexico and America that followed America's annexation of Texas, which Mexico still considered its territory despite an independent Texan Republic existing since 1836.

Related terms

Treaty of Guadalupe Hidalgo: This treaty ended the Mexican-American War and resulted in Mexico ceding large parts of its territory including California and New Mexico to U.S.

Republic of Texas: The independent nation that existed from 1836 until it was annexed by the U.S. in 1845, sparking the Mexican-American War.

Bear Flag Revolt: A revolt against Mexico by American settlers in California who declared the territory an independent republic.