question: A dog rope is a short length of rawhide rope that was used by the Dog Soldiers of the Cheyenne warrior societies and warriors considered especially brave of other tribes, the Dog Soldiers or Dog Men (Cheyenne Hotamétaneo'o) are historically one of six military societies of which group?
answer: Cheyenne Nation
context: Title: Battle of Summit Springs
  Passage: The Battle of Summit Springs, on July 11, 1869, was an armed conflict between elements of the United States Army under the command of Colonel Eugene A. Carr and a group of Cheyenne Dog Soldiers led by Tall Bull, who was killed during the engagement.  The US forces were assigned to retaliate for a series of raids in north-central Kansas by Chief Tall Bull's Dog Soldiers band of the Cheyenne.  The battle happened south of Sterling, Colorado in Washington County near the Logan/Washington county line.
  Title: Koitsenko
  Passage: The Koitsenko was a group of the ten greatest warriors of the Kiowa tribe as a whole, from all bands.  One was Satank who died while being taken to trial for the Warren Wagon Train Raid.  The Koitsenko were elected out of the various military societies of the Kiowa, the “Dog Soldiers.”  They were elected by all the members of all the warrior societies of the entire tribe.
  Title: Tall Bull
  Passage: Tall Bull (1830 - July 11, 1869) (Hotóa'ôxháa'êstaestse) was a chief of the Cheyenne Dog Soldiers.  Of Cheyenne and Lakota parentage, like some of the other Dog Soldiers by that time, he identified as Cheyenne.
  Title: Dog rope
  Passage: A dog rope is a short length of rawhide rope that was used by the Dog Soldiers of the Cheyenne warrior societies and warriors considered especially brave of other tribes.  Its purpose was to anchor the warrior in place when a last-ditch defence was called for, thus indicating an intention not to retreat even against overwhelming odds.
  Title: Council of Forty-four
  Passage: The Council of Forty-four was one of the two central institutions of traditional Cheyenne Indian tribal governance, the other being the military societies such as the Dog Soldiers.  The influence of the Council of Forty-four waned in the face of internal conflict among the Cheyenne about Cheyenne policy toward encroaching white settlers on the Great Plains, and was dealt a severe blow by the Sand Creek Massacre.
  Title: Dog Soldiers
  Passage: The Dog Soldiers or Dog Men (Cheyenne Hotamétaneo'o) are historically one of six military societies of the Cheyenne Nation.  Beginning in the late 1830s, this society evolved into a separate, militaristic band that played a dominant role in Cheyenne resistance to the United States of America expansion towards west in Kansas, Nebraska, Colorado, and Wyoming, where the Cheyenne had settled in the early 19th century.
citations: Dog Soldiers Dog rope