The refugee princes of the family of Pisistratus hoped to be reinstated under Persian influence as dependent despots of Athens.

Demaratus of Sparta probably cherished a similar expectation with regard to that capital.

The Persian nobles generally, who profited by the spoils of war, and who were still full of the military spirit, looked forward with pleasure to an expedition from which they anticipated victory, plunder, and thousands of valuable captives.

The youthful king was soon persuaded that the example of his predecessors required him to undertake some fresh conquest, while the honor of Persia absolutely demanded that the wrongs inflicted upon her by Athens should be avenged.

Before, however, turning his arms against Greece, two revolts required his attention.