Mezue ahịrịokwu na-esonụ: Mgbe agha dara na Mexico na 1846, e zigara ndị agha nke abụọ na Camargo, Mexico ma sonyere Brigade General David E. Twiggs. Site na Septemba 1846 ruo Disemba 1847 ndị agha ahụ mere mkpọsa site na Rio Grande ruo Mexico City, na-alụ ọgụ na agha na
Veracruz, Cerro Gordo, Contreras, Churubusco, Moline del Rey na Chapultepec.