Marka dagaalku uu ka qarxay Mexico sanadkii 1846, Guutada 2aad ee Cagaf-cadadka waxaa loo diray Camargo, Mexico waxayna ku biireen General David E. Twiggs' Brigade. Laga soo bilaabo Sebtember 1846 ilaa Diseembar 1847 guutada waxay ka ololeysay Rio Grande ilaa Mexico City, iyagoo ku dagaalamay dagaalkii Veracruz
, Cerro Gordo, Contreras, Churubusco, Moline del Rey iyo Chapultepec.