<prompt> Bhala okuqhubekayo kwalesi sigaba - Ngo-March 8, 1846, ngemva komzamo wokugcina wokucindezela iMexico ukuba ixazulule umngcele waseTexas, uNobhala Wezempi uWilliam L. Marcy wayala uBrigadier General Zachary Taylor ukuba athuthele ibutho lakhe, elalihlanganisa nebutho likaMay lama-dragon, eRio Grande. Indawo uTaylor ayelibangise kuyo kwakuyichweba elisenyakatho lomfula, eliphambene ngqo nedolobha laseMexico iMatamoros, elalisendaweni engokwemvelo futhi lilawula indlela eya emigwaqweni enabantu abaningi eya eningizimu. Lapho uTaylor enqaba ukushiya le ndawo, ibutho laseMexico labagibeli bamahhashi lahlasela iqembu lama-dragon ngaphansi kukaKaputeni Seth B. Thornton ngo-Ephreli 25, 1846, okwaqala izimpi ngokusemthethweni. Ngo-May 8, 1846, amabutho amabili amakhulu ahlangana eMpini yasePalo Alto  <response>: , lapho isigaba sikaMay sasibambelela khona futhi senza ukuhlaselwa kwamahhashi okungaphumelelanga. 