 Ramba uchinyora ndima iyi - Texas, yakagarwa zvikurukuru navaAnglo-America, yakarwisana hondo yakabudirira yokuzvimiriravachirwa neMexico muna 1836. Mexico yakaramba kuziva rusununguko rwacho uye yakanyevera kuti kubatanidzwa neUnited States kwaireva hondo. Kubatanidzwa kweTexas neUnited States kwakaitika muna 1845; sezvinotarisirwa, hondo yakatevera kubatanidzwa muna 1846. Nemhaka yokuvandira, mauto eAmerica akakunda. Somuuyo wokubatwa kwapurezidhendi weMexico panguva iyoyo, Antonio Lopez de Santa Anna, United States yakanga ichangobva kuumbwa yakakwanisa kutenga New Mexico, Arizona, California nenzvimbo dzakapoteredza. VaMexico vanenge 60 000 vakaramba vari munharaunda itsva ndokuva vagari vomuUnited States. Muna 1862, mauto eFrance aitungamirirwa naNapoleon III akapinda muMexico ndokurikunda, achipa simba kuna mambo Mambo Maximilian I. Washington akazvidza izvi sokutyora mutemo weMonroe, asi akakundikana kupindira pamusana peHondo Yenyika yeAmerica. Muna 1865, United States yakaisa uto guru rokurwa pamuganhu kusimbisa kuda kwayo kuti France ibude. France yakabuda uye varudzi veMexico vakauraya Maximilian. 