<prompt> Qedela umusho olandelayo: ULongstreet wakhonza ngokuhlonishwa eMpini yaseMexico naseMelika ne- 8th U.S. Infantry. Walwa ngaphansi kukaZachary Taylor njengeluthenant ngoMeyi 1846 ezimpini zase  <response>: I-Palo Alto neResaca de la Palma. - Uyazi ukuthi ngithini? Wachaza lezi zimpi zombili ezincwadini zakhe kodwa akazange abhale lutho ngeqhaza lakhe kuzo. NgoJuni 10, uLongstreet wanikezwa umyalo weNkampani A ye-Eighth Infantry kaWilliam J. Worths Second Division. Walwa futhi nebutho likaTaylor eMpini yaseMonterrey ngoSepthemba 1846. Phakathi nale mpi, abacibisheli abangaba ngu - 200 baseMexico baqeda iqembu lamasosha aseMelika. ULongstreet, owayephethe amaqembu u-A no-B, wahola ekuhlaseleni, wabulala noma walimaza cishe isigamu sama-lancers. NgoFebhuwari 23, 1847, wakhushulelwa esikhundleni sokuba yi-lieutenant wokuqala. Umkhuzi-jikelele uWinfield Scott wayala ukuthi isigaba sikaWorth siphume ebuthweni likaTaylor futhi singaphansi komyalo wakhe oqondile ukuze sihlanganyele ekuhlaselweni kwenhloko-dolobha yaseMexico iMexico City. Ibutho likaWorth lathunyelwa kuqala esiQhingini saseLobos. Ukusuka lapho yahamba amakhilomitha angu-289,7 eningizimu yaya edolobheni laseVeracruz. UWorth wahola ibutho likaScott lapho lisondela edolobheni, lafika lapho ngo - March 9. UScott wavimbezela umuzi futhi wawujikijela ngamabhomu njalo. Yanikezela ngo - March 29. Khona-ke ibutho laseMelika laya enyakatho lalibheke enhlokodolobha. Ngo-Agasti, uLongstreet wakhonza eMpini yaseChurubusco, impi ebalulekile njengoba iButho LaseMelika lisondela ekuthatheni iMexico City. I-Eighth Infantry kwakuwukuphela kwebutho eqenjini likaWorth elalifinyelele ezakhiweni zomhlaba zaseMexico. ULongstreet wayethwele ibhanile lombutho ngaphansi komlilo onamandla waseMexico. La masosha azithola evaleleke emseleni futhi ayengakwazi kuphela ukweqa izivikelo zaseMexico ngokuma phezu komunye nomunye. Emzabalazweni onzima owawalandela, amaMelika anqoba. ULongstreet wakhushulelwa esikhundleni sokuba uKaputeni ngenxa yezenzo zakhe eChurubusco. 