Answer:
The Treaty of Ft. Laramie of 1868 "set apart for the absolute and undisturbed use and occupation" of the Black Hills for the Lakota Nation. But the discovery of gold in the area ultimately led to the treaty's annulment and the Black Hills War. Here, a delegation from the Lakota Nation visited Washington, D.C., after another conflict between the Lakota and the U.S., the Wounded Knee Massacre of Dec. 29, 1890.
Explanation:
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