Talk:Mexican–American War

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negotiator, Trist ignored the order and successfully concluded the 1848 Treaty of Guadalupe Hidalgo. It ended the war, and Mexico recognized the Mexican Cession, areas not part of disputed Texas but conquered by the U.S. Army. These were northern territories of Alta California and Santa Fe de Nuevo México. The U.S. agreed to pay $15 million for the physical damage of the war and assumed $3.25 million of debt already owed by the Mexican government to U.S. citizens. Mexico acknowledged the loss of what became the State of Texas and accepted the Rio Grande as its northern border with the United States.

The victory and territorial expansion Polk envisioned[9] inspired patriotism among some sections of the United States, but the war and treaty drew fierce criticism for the casualties, monetary cost, and heavy-handedness,[10][11] particularly early on.

Beyond the disputed area of Texas, U.S. forces quickly occupied the regional capital of Santa Fe de Nuevo México along the upper Rio Grande, which had trade relations with the U.S. via the Santa Fe Trail between Missouri and New Mexico. U.S. forces also moved against the province of Alta California, and then moved south. The Pacific Squadron of the U.S. Navy blockaded the Pacific coast farther south in the lower Baja California Territory. The Mexican government refused to be pressured into signing a peace treaty at this point, making the U.S. invasion of the Mexican heartland under Major General Winfield Scott and its capture of the capital Mexico City a strategy to force peace negotiations. Although Mexico was defeated on the battlefield, politically its government's negotiating a treaty remained a fraught issue, with some factions refusing to consider any recognition of its loss of territory. Although Polk formally relieved his peace envoy, Nicholas Trist, of his post as

In Mexico, the war worsened domestic political turmoil. Since the war was fought on home ground, Mexico suffered a large loss of life of both its soldiers and its civilian population. The nation's financial foundations were undermined, the territory was lost, and national prestige left it in what prominent Mexicans called a "state of degradation and ruin... [As for] the true origin of the war, it is sufficient to say that the insatiable ambition of the United States, favored by our we akness, caused it."[12]