Mezue nkebi ahịrịokwu a: Mgbe afọ iri gachara, n'oge a na-alụ Agha Mexico na Amerịka (1846-1848), ndị agha ụgbọ mmiri ndị Amerịka wakporo Obí Eze Chapultepec, nke dị n'elu Mexico City. Ebe ọ bụ na ịga Mexico City ga-abụ ogologo njem ma eleghị anya ọ gaghị ekwe omume, otu ndị agha jikọtara ọnụ (nwere ihe dị ka ndị agha mmiri 200) n'okpuru Major General Winfield Scott mere mgbalị
ibuso ndịda Veracruz agha na 9 Machị 1847 ma weghara obodo ahụ na 29 Machị. Site n'ebe ahụ, ha lụrụ ọgụ ruo Mexico City ma malite mwakpo ha na 13 Septemba. E nyere ndị agha mmiri ọrụ ikpochapụ ụlọ elu Chapultepec, "Ụlọ Nzukọ nke Montezuma", ebe ha gbutuchara agba ndị Mexico ma bulie ọkọlọtọ nke United States. A na-echeta ọnụọgụ ọnwụ dị elu n'etiti ndị isi na ndị isi na-abụghị ndị isi na "ọbara ọbara" nke uwe ejiji, yana ahịrị "Site na Halls nke Montezuma" na Marines' Hymn. E mechara tinye ndị agha mmiri na-eche nche n'obí eze na Captain Jacob Zeilin, onye ga-abụ ọchịagha n'ọdịnihu, ka e mere gọvanọ ndị agha. Ndị agha mmiri na-arụkwa ọrụ dị ka akụkụ nke mgbochi nke ndị agha mmiri nke Mexico nke mere ka mma agha na ngwa agha na mba ofesi ghara iru ndị agha Mexico, yana dịka akụkụ nke ndị agha California n'okpuru Major Archibald H. Gillespie; ọgụ gụnyere agha nke Monterey, Los Angeles, Dominguez Rancho, San Pasqual, Rio San Gabriel, La Mesa, na 2nd Tabasco. Agha ndị ọzọ gụnyere 1st, 2nd, & 3rd Tuxpan, ijide La Paz, ịgbachitere La Paz, Mulege, na ijide na ịgbachitere San José del Cabo.