 All of the native tribes experienced gradual disillusionment with the U.S. government because of its inability or unwillingness to honor its treaty commitments . The major leaders among the tribes were <unk> and Little Crow among the Dakota Sioux , <unk> Mouth and Hole @-@ in @-@ the @-@ Day among the Ojibwe , and <unk> among the Winnebago . The success of treaty negotiations between the U.S. and the tribes was in great part facilitated by the mixed race families such as the <unk> and the <unk> . 
