<prompt> Bhala okuqhubekayo kwalesi sigaba - Ngo-August 1845, uMagruder wavolontiya ukuthunyelwa eCorpus Christi, eTexas, ukujoyina ibutho likaGeneral Zachary Taylor lapho, ehlala ezweni elaliyi-republic; i-US yayisemngceleni wempi neMexico mayelana nombuzo wokuhlanganisa. Ngemva kokuba izimpi ziqale ngo-April 25, 1846, uMagruder waqala ukulwa eMpini yasePalo Alto  <response>: , ngemva kwezinsuku ezingu-14. Ngo-Ephreli 18, 1847, uMagruder wakhonza ngentshiseko nangekhono, ohambweni lukaJenene Winfield Scott, ngaphansi komlilo osindayo futhi waphenduka izibhamu zaseMexico ngokumelene nabo eCerro Gordo, okwadunyiswa abaphathi bakhe futhi waphakanyiswa waba ngumphathi. Ngo-September 12, amabutho ase-US ayeseqalile ukuhlasela iChapultepec, kwesinye sezingxabano eziningi eMpini yaseMexico City. UMagruder - olimele kancane - wayala ukudubula kokuqala ekuseni kakhulu ngomhlaka-13 futhi wanikela ngokuphishekela, naphezu kwezinombolo eziphakeme zaseMexico, ukuze athathe i-Anzures, Veronica, kanye ne-Belen intersection - umgwaqo obalulekile ozovimbela imizamo kaGeneral Santa Anna yokukhulula isigodlo. 