These people sourced red stone for cultural ceremonies at the Pipestone quarries. These people’s defeat at the Battle of Wood Lake caused Little Crow to accuse friendly “traitors” of assisting Henry Hastings Sibley. Thirty-eight of these people were hanged in (10[1])Mankato in the largest mass execution (10[1])in US history. These people signed the Treaty of Fort Laramie (10[1])after winning (10[1])Red Cloud’s War, (10[1])which (10[1])temporarily (10[1])granted them control of the Black Hills. A variation (10[1])of the Ghost (10[1])Dance spiritual movement was practiced by a subgroup (-5[1])of this tribe (10[1])led by Sitting Bull. (10[1])For 10 points, members of what Native American tribe from the Great Plains were massacred at Wounded Knee? (10[1])■END■