 Nyorai kupfuurira kweiyi ndima - Munguva yeHondo yeResaca de la PalmaMusi waMay 9, 1846, mativi acho maviri akarwisana zvine utsinye. Mauto eU.S. akakwanisa kubata zvombo zveMexico, zvichiita kuti divi reMexico ridzokere shure - kudzokera shure kwakashanduka kuva kuparadzwa. Achirwa munharaunda yaakanga asingazivi, mauto ake achitiza achidzokera shure, Arista akawana zvisingabviri kuunganidza mauto ake. Kurasikirwa kwevaMexico kwakanga kwakakomba, uye vaMexico vakamanikidzwa kusiya zvombo zvavo zvehondo nemikwende. Fort Brown yakakonzera kurasikirwa kwakawedzerwa sezvo mauto aidzokera akapfuura neimba yacho, uye mamwe masoja eMexico akanyura achiedza kushambira kuyambuka Rio Grande. Taylor akayambuka Rio Grande ndokutanga nhevedzano yake yehondo munharaunda yeMexico. 