What caused the U.S. Army to break their treaty regarding the Black Hills?
A. The Indians began attacking settlers.
B. Sitting Bull refused to live on a reservation.
C. Gold was discovered in the area.
D. The Army wanted to build a fort in the area.

Respuesta :

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Answer:

C.

Explanation:

In June 1874 General George Custer led an expedition to search for gold in the Black Hills. By 1875, some 800 miners and fortune-seekers had flooded into the Hills to pan for gold on land that had been reserved by the treaty exclusively for the Indians. ... “This is a classic broken treaty,” says Hirsch.