Custer was friendly with his Crow Scouts and knew how much his work as a soldier depended on them. He also liked to hunt with them and learn what they could teach him about the desolate great plains in which he and his Seventh Cavalry had the dangerous task of trying to find and control the Sioux and other wild tribes still roaming what had been their land for many years. But their raiding, killing, and kidnapping women became too much when settlers streamed in.