text: The premature retreat of this city's Argive allies led to its defeat by its perennial enemy Orchomenus in one battle, while earlier, this city had won the Battle of Haliartus, where they had killed Lysander.
full_question: The premature retreat of this city's Argive allies led to its defeat by its perennial enemy Orchomenus in one battle, while earlier, this city had won the Battle of Haliartus, where they had killed Lysander. This city's hegemony began after a battle in which its echeloned phalanx had a very deep left wing, allowing it to defeat the elite Spartan right wing at the Battle of Leuctra. Critical to that victory was this city's elite unit of 150 pairs of male lovers, which was wiped out at the Battle of Chaeronea. For 10 points, name this Greek city-state which led the Boeotian League, employed a "sacred band," and was legendarily founded by Cadmus and ruled by Oedipus.
first_sentence: The premature retreat of this city's Argive allies led to its defeat by its perennial enemy Orchomenus in one battle, while earlier, this city had won the Battle of Haliartus, where they had killed Lysander.
raw_answer: Thebes