Pedzisa mutsara unotevera: Germany yakanga yaedza kwenguva refu kunyandura hondo pakati peMexico neUnited States, iyo ingadai yakasunga mauto eAmerica uye yakaderedza kutengeswa kwezvombo zveAmerica kuAllies. VaGermany vakanga vabetsera kupinza zvombo muMexico, sezvinoratidzwa neChiitiko cheYpiranga cha1914. Mukuru mukuru weGermany weNaval Intelligence Franz von Rintelen akanga aedza kunyandura hondo pakati peMexico neUnited States muna 1915, achipa Victoriano Huerta $12 miriyoni nokuda kwechinangwa ichocho. Mugandanga weGermany Lothar Witzke, aiva nebasa rokuputika kwezvombo muna March 1917 paMare Island Naval Shipyard muSan Francisco Bay Area, uye zvichida aiva nebasa rokuputika kwaBlack Tom muna July 1916 muNew Jersey, aiva muMexico City. Kukundikana kwemauto eUnited States
kubata Pancho Villa muna 1916 uye kufamba kwaPurezidhendi Carranza achitsigira Germany kwakasimbisa vaGerman kutumira tsamba yaZimmermann.