Dee ihe ọzọ maka paragraf a - Mgbe agha dara na Mexico na 1846, e zigara ndị agha nke abụọ na Camargo, Mexico ma sonye na Brigade General David E. Twiggs. Site na Septemba 1846 ruo Disemba 1847 ndị agha ahụ si na Rio Grande gaa Mexico City, na-alụ ọgụ n'agha na Veracruz
, Cerro Gordo, Contreras, Churubusco, Moline del Rey na Chapultepec.