<prompt> Nyorai kupfuurira kweiyi ndima - Muna 1846, pakuvamba kweHondo yeMexico neAmerica, Roberts akagadzwazve kuva tenzi wokutanga, Mounted Rifles, muRegular Army. Akakwidziridzwa kuva kaputeni muna 1847, uye akaona chiito paVeracruz, Cerro Gordo, Contreras, Churubusco  <response>: , uye kubatwa kweMexico City, Matamoros neGalajara pass. PaChurubusco, akapiwa chinzvimbo chechigamba chikuru nokuda kwokutungamirira boka raipfuura ravarwi. Akagamuchira imwezve ropafadzo, kuna lieutenant colonel muna 1847 nokuda kwoushingi munguva yehondo. Pashure pokuguma kwehondo, akashanda pamuganhu uye muWashington, D.C. 