 Nyorera kupfuurira kweiyi ndima - Pasinei nokuvapo kweuto raScott kunze kweMexico City, vamiriri veMexico neAmerica vakaramba vakaparadzana zvakanyanya; Mexico yaingoda kupa zvikamu zveAlta California, uye yakaramba kubvuma Rio Grande semuganhu wayo wekuchamhembe. Apo nhaurirano dzakapfuurira, Scott akatarisana nenhau yakaoma mukugadziriswa kwenhengo 72 dzeSt Patricks Battalion avo vakanga vasiya U.S. Army uye vakabatwa vachirwira Mexico. Vose 72 vakatongwa nedare rehondo ndokutongerwa rufu. Pakumanikidzwa nevamwe vatungamiriri veMexico, uye iye pachake achinzwa kuti mutongo worufu wakanga uri chirango chisina kururama nokuda kwavamwe vanopomerwa, Scott akaponesa 20, asi vamwe vose vakaurawa. Mukuvamba kwaSeptember, kurukurirano pakati paTrist nehurumende yeMexico dzakaputsika, uye Scott akashandisa kodzero yake yokugumisa hondo. Muhondo yakatevera yeMexico City, Scott akarwisa kubva kumadokero kweguta, achitoranhare inokosha yeChapultepec musi waSeptember 13. Santa Anna akadzokera kumashure kubva muguta mushure mekudonha kweChapultepec, uye Scott akagamuchira kuzvipira kwemauto eMexico akasara kutanga kwa14th. 