Mexican-American War: This was a conflict between the United States and Mexico from 1846 to 1848 over territorial disputes.
Winfield Scott: He was the American military leader who captured Mexico City during the Mexican-American War.
Treaty of Guadalupe Hidalgo: This treaty ended the Mexican-American War and resulted in Mexico ceding territories to the United States, including what is now California, Nevada, Utah, Arizona, New Mexico, Texas, and parts of Colorado and Wyoming.