success. She was no longer content with a naval empire. She began to cherish plans of a great colonial dominion in the west; she wanted to eat up her shrunken neighbour, Megara, in order to have an outlet to the Corinthian Gulf; she took Naupactus on those waters as a base, and sent reconnoitring expeditions to Sicily and planned a great Panhellenic colony at Thurii, in South Italy. Moreover, she mixed in the affairs of great foreign Powers like Egypt. She attacked Cyprus and overran Bœotia.
In all this imperial policy from about 460 onwards the leader of the democracy, who by his personal ascendancy was almost as powerful as a monarch at Athens, was Pericles. He was one of those aristocrats who succeed in securing the allegiance of the masses, like Tiberius Gracchus, or Pitt, or Salisbury, by their very aloofness. His single aim was to make Athens free, powerful, and glorious. In Greece imperialism was