The majority of Greeks lived sparse lives - there was no generaloversupply of food and resources.However the Spartans had taken over the southern PeloponnesePeninsula, and the serf population it created kept up a good supplyto the Spartan citizens.The Athenians got a great lift after the Persian War when theyconverted the Delian League of 180 cities it had led against thePersian Empire into an empire of its own and lived high on theproceeds.Each had their own source of exploitation of others.