Ka kammala wannan magana: A farkon ƙarni na 20, sa'ad da sauran ƙasashen duniya suke cikin Yaƙin Duniya na Ɗaya, ƙasar Amirka tana son ta yi nasara a yaƙin. Mexico ta shiga cikin yaƙin basasa tun daga 1910, kuma a shekara ta 1916 tashin hankali ya zube arewacin kan iyaka lokacin da Pancho Villa ya kai hari Columbus, New Mexico, ya kashe Amurkawa 16. Wannan ya ƙare da martani na Amurka, wanda aka sani da suna
Tawagar Mexico, karkashin jagorancin Manjo Janar John Pershing. Yawancin 'yan Mexico na kasar Sin sun taimaka wa sojojin Amurka a Mexico a lokacin da aka kammala a farkon 1917, Villa ya yi barazanar rataye su. Duk da tanade-tanaden dokar hana shigo da Sinawa, Pershing ya nemi izini ga wadannan mutanen da za a ba su izinin sake zama a Amurka. Jimillar mutane 527 daga baya suka shiga kasar, suka zauna galibi a San Antonio, kuma daga baya aka san su da "Sinanci na Pershing".