e/Achaean Federation

Information
has gloss	eng: The Achaean Federation was a governmental unit of ancient Greece that flourished from 281 to 146 BC, ending effectively with the sack of Corinth. This alliance can be considered a late phase or culmination of the Achaean League which was a looser alliance of the founding city-states extending back to the 5th century BC.
lexicalization	eng: Achaean Federation
instance of	c/Greek City State Federations