Keywords: American Army Entering the City of Mexico.jpg American Army Entering the City of Mexico - General Winfield Scott is shown during the Mexican War entering the capital Peace came in 1848 with the Treaty of Guadalupe Hidalgo which fixed the Mexican-American border at the Rio Grande River and recognized the accession of Texas The treaty also extended the boundaries of the United States to the Pacific Architect of the Capitol information webpage http //www aoc gov/cc/art/rotunda/frieze/american cfm Architect of the Capitol Public domain work of the United States federal government PD-USGov The Frieze of American History Treaty of Guadalupe Hidalgo |