<prompt> Bhala okuqhubekayo kwalesi sigaba - Izimo bezilokhu ziba zimbi kakhulu ngaseRio Grande. I - United States yathi i - Rio Grande iyimingcele yamazwe ngamazwe kuyilapho uhulumeni waseMexico wathi i - Nueces iyimingcele efanele. Ekuqaleni kuka - 1846, uJenene Zachary Taylor wakha inqaba eMfuleni i - Rio Grande maqondana nedolobha laseMexico iMatamoros. Ngo-April, abaseMexico baphendula ngokuthumela ibutho labangu-1600 abagibele amahhashi ngaphesheya kweRio Grande lapho, ngo-April 25, banqoba khona ibutho labangu-60 lama-dragon ngaphansi kukaKaputeni wase-U.S. uS. B. Thornton. Amabutho aseMexico eMatamoros aqhubeka eba namandla ngo-April. Ekupheleni kwenyanga, uJenene Taylor wayekhathazekile ngezindlela zakhe zokuxhumana nesisekelo sakhe esiyinhloko esivikelwe kancane ePoint Isabel, eduze komlomo weRio Grande. Ngakho-ke, ngoMeyi 1, uTaylor wathuthela ingxenye enkulu yebutho lakhe ePont Isabel, eshiya iqembu elincane lezikhali zempi nezikhali ngaphansi kukaMajor Jacob Brown enqabeni ephambene neMatamoros. Ngokushesha abaseMexico bahlasela kanzima le nqaba kamuva eyabizwa ngokuthi iFort Brown. Ngo - May 7, uTaylor wahamba namadoda angaba ngu - 2 300. Ekuseni ngo - May 8, lapho sebesezingeni elingaphezu kwesigamu sendlela eya enqabeni, abaseMelika bahlangana ubuso nobuso nesitha, ibutho elalingase lifinyelele emadodeni angu - 6 000, elaliholwa uJenene Mariano Arista. Uhlangothi lwayo lwesokudla lwaluphumula endaweni ephakeme eyaziwa ngokuthi iPalo Alto  <response>: ngemuva kwalokho kwaqanjwa ukubandakanyeka. UTaylor wangena empini ngaphandle kokungabaza, esebenzisa izibhamu zakhe ukuze asekele ukuthunyelwa kwezempi. Le mpi yaqhubeka kwaze kwaba sebusuku, lapho abaseMexico behoxa. Ukusetshenziswa ngempumelelo komlilo wezikhali zomcibisholo kwaba nomthwalo wemfanelo omkhulu ekunqobeni kwamaMelika. Ukulahlekelwa kwabantu baseMelika kwakungu-9 ababulewe nabangu-47 abalimele. AbaseMexico balahlekelwa abantu abangaphezu kuka-700, kuhlanganise nabangu-320 abafa. 