In the 1870s, when gold was discovered in the blacks hills, the federal government first tried to -buy the territory from the american indians -restrict all sioux indians to their reservation -call on the us military to resolve the claims issue -sign a new treaty with the area’s tribal chiefs

  -Restrict all Sioux Indians to their reservation.

Explanation:

  The Black Hills are a small and isolated mountain range rising from the Great Plains in Western South Dakota.

  The Lakota tribe took over the territory in 1776 and that place became central to their culture. In 1868 the U.S. government signed the Fort Laramie Treaty establishing the Great Sioux Reservation and exempting the Black Hills from all white settlements forever.

  But in 1874 the settlers discovered gold in the Hills. The U.S. government took back the Black Hills and reassigned the Lakota, against their wishes, to five smaller reservations.

  I hope this answer helps you.

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explanation: