 Complete the following phrase:  Increasing impoverishment among the Sioux and continued treaty violations on the part of the United States would soon lead to bloodshed. In 1857 a renegade band of Sioux led by war chief Inkpaduta attacked the community of Spirit Lake, Iowa near the Minnesota border killing between 35 and 40 white settlers the event would be referred to as the Spirit Lake Massacre. They went on to attack Springfield, Minnesota modern Jackson killing seven before being turned back. In 1862, bands of Sioux launched the 