After the Battle of the Little Big Horn, and the arrest of Blue Horse, American Horse became the spokesman and leader of the progressive faction at Red Cloud agency and advocated cooperation in reform programs. American Horse was influential and energetic in the cause of the government. As American Horse emerged a leader, the Wagluhe split into three bands. Blue Horse remained head chief of one band, and American Horse and Three Bears led the other two. Red Shirt was also a popular leader and served as Three Bears' lieutenant. These leaders had much in common. Blue Horse, American Horse, Three Bears and Red Shirt all served as U.S. Army Indian Scouts with U.S. 4th Cavalry Regiment; were first Oglala Lakota to send their children to the Carlisle Indian Industrial School in Carlisle, Pennsylvania, for a formal education; all led Lakota delegations to Washington, D.C.; and went Wild Westing with Buffalo Bill's Wild West.