Mezue ahịrịokwu na-esonụ: Na June 1916, tupu itinye aka nke United States na Agha Ụwa Mbụ, e zigara ndị nche Colorado na ókèala Mexico na America iji kwado ndị agha General Pershing
njem megide onye Mexico na-eme mgbanwe Pancho Villa. Ndị agha ahụ e zigara n'ebe ahụ lọghachiri na February 1917.