The Peloponnesian War is the name given to the long series of conflicts between Athens and Sparta that lasted from 431 until 404 BC. ... However, the more immediate reason for the war was Athenian control of the Delian League, the vast naval alliance that allowed it to dominate the Mediterranean Sea.
Because gender discrimination used to be commonplace and wasnt considered discrimination years ago
Safety since of the poor conditions
Every five enslaved persons would count as three free persons.