Dee ihe ndị ọzọ dị na paragraf a - Ná mmalite narị afọ nke 20, ka ụwa dum nọ n'ime Oké Agha Ụwa nke Mbụ, United States nọ na-elegara ndịda anya. Mexico anọwo na-alụ agha obodo kemgbe 1910, na 1916 kwa, ime ihe ike gbasaruru n'ebe ugwu gafere ókè ahụ mgbe Pancho Villa wakporo Columbus, New Mexico, na-egbu ndị America 16. Nke a mere ka ndị United States zaghachi, nke a maara n'ụzọ iwu kwadoro dị ka Njem Njem Mexico
, nke onye isi ndị agha bụ John Pershing na-edu. Ọnụ ọgụgụ buru ibu nke ndị Mexico si China nyere ndị agha US aka na Mexico n'oge njem ahụ na mgbe emechara ya na mbido 1917, Villa yiri ha egwu na a ga-egbu ha. N'agbanyeghi iwu nke Chinese Exclusion Act, Pershing rịọrọ ka e kwe ka ndị a biri na United States. Ọnụ ọgụgụ 527 mechara banye na mba ahụ, na-ebi na San Antonio, ma mesịa bụrụ ndị a maara dị ka "Pershing's Chinese".