Answer:
The conflict between the U.S. government and the Nez Perce was one of the most tragic of the many Indian wars of the 19th century. Beginning with the tribe’s first contact with the explorers Meriwether Lewis and William Clark, the peaceful Nez Perce had befriended and cooperated with the Americans.
The Nez Perce War was an armed conflict that pitted several bands of the Nez Perce tribe of Native Americans and their allies, a small band of the Palouse tribe led by Red Echo (Hahtalekin) and Bald Head (Husishusis Kute), against the United States Army. The conflict, fought between June and October 1877, stemmed from the refusal of several bands of the Nez Perce, dubbed "non-treaty Indians,
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