Sentence:  bursting from the lips of a charging cavalry trooper was the last sound heard on this earth by untold numbers of Cheyennes , Sioux and Apaches , <WSD>Mexican</WSD> banditos under Pancho Villa , Japanese in the South Pacific , and Chinese and North Korean Communists in Korea . 
Meaning of the word marked with <WSD> tags:  of or relating to Mexico or its inhabitants