War+With+Mexico

War With Mexico The U.S. - Mexican War began on April 25, 1846.Texa's entry into the union outraged the mexican goverment, and broke diplomatic relations with the U.S. both countries disputed Texas's southwestern border. It ended when the Treaty of Guadalupe Hidalgo was signed on February 2, 1848. However, fighting between Mexican guerrillas and U.S. troops continued for several months afterward. The last American troops left Mexico on August 2, 1848.