#confederation.union__confederacy__federation  a union of political organizations
  supertype:  union.political_unit  a political unit formed from previously independent people or organizations; "the Soviet Union"
  instance:  Creek_Confederacy
  subtype:  tribe_federation__tribefederation__nation  a federation of tribes (especially native American tribes); "the Shawnee nation"
     subtype:  federation_of_tribes__tribe  a federation (as of American Indians)
  subtype:  Hanseatic_League  a commercial and defensive confederation of free cities in northern Germany and surrounding areas; formed in the 13th century and most powerful in the 14th century

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