Mexican American War

Panoramic illustration of battle scene

U.S. troops bombarding Veracruz during the Mexican-American War

General Zachary Taylor giving orders in the field during the Battle of Buena Vista

The Mexican Cession was the result of the Mexican-American War from 1846-1848. President James K. Polk had promised to fulfill the "Manifest Destiny" before he left office, even if it meant going to war. With the Treaty of Guadalupe Hidalgo. In…