the check, and the Persian invasions of Europe were over forever.
What was it that enabled Themistocles to win this decisive victory for Greece after disastrous defeats on land? Simply his skill in the politics of Athens. Themistocles was a Hellenic imperialist. He was opposed by Aristides, who was a very just man, and an anti-imperialist and "mugwump." Greece was at that time terribly menaced by the Persian power, and threatened with "Medization," or absorption into the Persian nationality. Themistocles saw that the country's only chance lay in a union of all the Hellenes, and in the construction of a navy worth the name. Aristides was a better orator than he, and at first won against him in the Athenian elections. The Greek spirit was innately hostile to anything like centralization or imperialism. But when Ægina, which was the leading Grecian maritime state, and had some good ships, turned
