Question: Pawnee Killer formed a military band whom played a dominant role in what country?
Sentence (from "Dog Soldiers"): Beginning in the late 1830s, this society evolved into a separate, militaristic band that played a dominant role in Cheyenne resistance to the United States of America expansion towards west in Kansas, Nebraska, Colorado, and Wyoming, where the Cheyenne had settled in the early 19th century.
Relevant evidence: Yes