The diagram below describes an event on the Great Plains in the 1870s. Diagram showing cause and effect relationship between events. There are three boxes in the diagram. An arrow points from the first box to the second box and from the second box to the third box. The first box reads Chief Sitting Bull and Crazy Horse lead the Lakota off their reservation. The second box reads The U.S. Army is sent to force the Lakota, Cheyenne, and Arapaho back to their reservations. The third box reads Sitting Bull and Crazy Horse defeat the U.S. Army. What event is described in this diagram? What event is described in this diagram? (1 point)
