<prompt> Qedela umusho olandelayo: Ngo-March 1847, uPolk wathola ukuthi uTaylor wayezishaye indiva iziyalezo futhi waqhubeka ehamba eqonda eningizimu, wathatha idolobha laseSaltillo enyakatho yeMexico. Ibutho likaTaylor lalinqobe ibutho elikhulu laseMexico, elaliholwa uSanta Anna, eMpini yaseBuena Vista ngoFebhuwari 1847. UTaylor wathola udumo ngenxa yomphumela wempi, kodwa umdlalo awuzange uphumelele. Kunokuba aphishekele amabutho kaSanta Anna, uTaylor wabuyela eMonterrey. Phakathi naleso sikhathi, uScott wafika eVeracruz futhi ngokushesha  <response>: wathola amandla okulawula idolobha. Ngemva kokuthunjwa kweVeracruz, uPolk wathumela uNicholas Trist, isikhulu sikaBuchanan, ukuba ayoxoxisana nabaholi baseMexico ngesivumelwano sokuthula. UTrist wayalwa ukuba afune ukunikezwa kwe-Alta California, New Mexico, neBaja California, ukuqashelwa kweRio Grande njengomngcele oseningizimu yeTexas, kanye nokufinyelela kweMelika ngaphesheya kwe-Isthmus yaseTehuantepec. 