<prompt> Pedzisa mutsara unotevera: Apo hondo yakatanga neMexico muna 1846, 2nd Infantry Regiment yakatumirwa kuCamargo, Mexico ndokubatanidzwa neGeneral David E. Twiggs Brigade. Kubvira muna September 1846 kusvika muna December 1847 chikwata chacho chakarwa hondo kubva kuRio Grande kuenda kuMexico City, chichirwisana muhondo pa  <response>: Veracruz, Cerro Gordo, Contreras, Churubusco, Moline del Rey uye Chapultepec. 