<prompt> Pedzisa mutsara unotevera: Musi waMarch 8, 1846, pashure pekuedza kwokupedzisira kumanikidza Mexico kuti igadzirise muganhu weTexas, Munyori Wehondo William L. Marcy akarayira Brigadier General Zachary Taylor kuti aendese uto rake, raisanganisira uto raMay revadhiragi, kuRio Grande. Taylor akananga kumhenderekedzo yokuchamhembe yorwizi rwacho, kwakanga kwakatarisana neguta reMatamoros rokuMexico, iro raiva pamhenderekedzo yokumaodzanyemba uye raiva nemigwagwa yaifambwa nevanhu vakawanda. Apo Taylor akaramba kusiya nharaunda yacho, vatasvi vemabhiza veMexico vakambomira chikwata chevadzvinyiriri vaitungamirirwa naKaputeni Seth B. Thornton musi waApril 25, 1846, izvo zvakatanga zvehondo zviri pamutemo. Pana May 8, 1846, masimba makuru maviri akasangana pa  <response>: Hondo yePalo Alto, uko squadron yaMay yakachengetedzwa uye yakaisa mutoro usina kubudirira wevatasvi vemabhiza. 