 Since Evagoras was an enemy of Persia, and many of the Athenian gains threatened Persian interests, these developments prompted Artaxerxes to switch his support from Athens and her allies to Sparta.Antalcidas, the commander of a Spartan fleet, was summoned to Susa, along with the satrap, Tiribazus.There, the Spartans and Persians worked out the form of an agreement to end the war.