Rubuta ci gaba don wannan sakin layi - A farkon karni na 20, yayin da sauran duniya ke cikin zurfin yakin duniya na farko, Amurka tana kallon kudu. Mexico ta shiga cikin yakin basasa
tun daga 1910, kuma a 1916 tashin hankali ya zube arewacin kan iyaka lokacin da Pancho Villa ya kai hari Columbus, New Mexico, inda ya kashe Amurkawa 16. Wannan ya ƙare tare da amsawar Amurka, wanda aka sani da shi a matsayin Ma'aikatar Mexico, wanda Major General John Pershing ya jagoranci. 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".