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 , Mexican banditos under Pancho Villa , Japanese in the South Pacific , and Chinese and North Korean Communists in <WSD>Korea</WSD> . 
Meaning of the word marked with <WSD> tags:  an Asian peninsula (off Manchuria) separating the Yellow Sea and the Sea of Japan; the Korean name is Dae-Han-Min-Gook or Han-Gook