 The Allied army, meanwhile, prepared to defend the Isthmus of Corinth.Xerxes wished for a final crushing defeat of the Allies to finish the conquest of Greece in that campaigning season; conversely, the Allies sought a decisive victory over the Persian navy that would guarantee the security of the Peloponnese.The ensuing naval Battle of Salamis ended in a decisive victory for the Allies, marking a turning point in the conflict.