Dee ihe ndị ọzọ dị na paragraf a - Na March 1847, Polk nụrụ na Taylor leghaara iwu e nyere ya anya ma nọgide na-aga n'ebe ndịda, na-eweghara obodo Saltillo nke dị n'ebe ugwu Mexico. Ndị agha Taylor meriri ndị agha Mexico ka ukwuu, nke Santa Anna duziri, na February 1847 Agha nke Buena Vista. Taylor nwetara otuto maka nsonaazụ nke agha ahụ, mana ụlọ ihe nkiri ahụ enweghị nkwubi okwu. Kama ịchụso ndị agha Santa Anna, Taylor laghachiri Monterrey. Ka ọ dịgodị, Scott rutere Veracruz ma chịkwaa ngwa ngwa
nke obodo ahụ. Mgbe e merisịrị Veracruz, Polk zigara Nicholas Trist, onye isi odeakwụkwọ Buchanan, ka ya na ndị isi Mexico nwee nkwekọrịta udo. E nyere Trist iwu ka ọ chọọ inyefe Alta California, New Mexico, na Baja California, nkwenye nke Rio Grande dị ka ókèala ndịda nke Texas, na ohere America gafere Isthmus nke Tehuantepec.