<prompt> Ramba uchinyora ndima iyi - United States yakachinja nzira yehondo nokupinda kwayo mukati-kati meMexico kuburikidza neVeracruz uye pakupedzisira kubata kweMexico City, zvichitevera kurwisana kwakaoma. Muna March 1847, Scott akasvika muVeracruz, uye nokukurumidza akawana kudzora  <response>: reguta racho. VaMexico vaitarisira kuti yellow fever nezvimwe zvirwere zvinopisa zvaizopedza simba mauto eU.S. Nokutora Veracruz, Polk akatuma Nicholas Trist, mukuru mukuru waBuchanan, kuti aende neuto raScott uye kutaurirana chibvumirano chorugare nevatungamiriri veMexico. Trist akarayirwa kuti atsvake kupa Alta California, New Mexico, uye Baja California, kuziva Rio Grande semuganhu wokumaodzanyemba weTexas, uye kupinda kweU.S. mhiri kweIsthmus yeTehuantepec. Trist akabvumirwa kubhadhara mari inosvika mamiriyoni 30 mukutsinhana nokuzvibvumira uku. 