Dee ihe na-aga n'ihu maka paragraf a - N'oge Agha nke Monterrey na Septemba 21-24, 1846, e kenyere batrị Duncan na ndị agha Thomas Staniford na ngalaba William J. Worth. Taylor wakporo obodo ahụ site n'ebe ugwu, ebe ọ na-ezipụ ndị agha Worth ka ha wakpo ya site n'ebe ọdịda anyanwụ. Batrị nke Duncan na William W. Mackall tinyere aka na njide nke Obí Bishọp na Septemba 22. E nyere Duncan ọkwà onye kọlọtọ maka "omume obi ike na nke ọma" na Monterrey. Na mbido Jenụwarị 1847, e nyere Taylor iwu ka ọ nyefee ngalaba nke Worth na Twiggs na batrị abụọ, gụnyere nke Duncan, na ndị agha Winfield Scott. Duncan lụrụ ọgụ na Siege nke Veracruz
na March 9<unk>29, 1847, na Agha nke Cerro Gordo na Eprel 17<unk>18, na na skirmish na Amazoque na Mee 14.