...cedaemonians was not a little responsible for the rise of Philip, the son of Amyntas, and of the Macedonian empire, and the Arcadians did not help the Greeks at Chaeroneia or again in the struggle in Thessaly . After a short time a tyrant arose at Megalopolis in the person of Aristodemus, a Phigalian by birth and a son of Artylas, who had been adopted by Tritaeus, an influential citizen of Megalopolis. Th...