<prompt> Qedela umusho olandelayo: UFontaine wajoyina i-United States Navy futhi wakhonza eMpini yaseMexico naseMelika ka-1846 kuya ku-1848, kuhlanganise neMpi YaseMexico neMelika ka-1848.  <response>: Ukuvinjezelwa kweVeracruz. 