What did the Pine Ridge Indian Agent want in the fall of 1890?

Explanation:

On December 29, 1890, in the final chapter of America's long Indian wars, the U.S. Cavalry kills 146 Sioux at Wounded Knee on the Pine Ridge reservation in South.The cavalry lost 25 men. The conflict at Wounded Knee was originally referred to as a battle, but in reality it was a tragic and avoidable massacre.