Note 94 — Chapter LXXVI · FROM THE PEACE OF ANTALKIDAS DOWN TO THE SUBJUGATION OF OLYNTHUS BY SPARTA.
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This is mentioned by Xenophon himself (Hellen. vi, 5, 3). The Lacedæmonians, though they remonstrated against it, were at that time too much humiliated to interfere by force and prevent it. The reason why they did not interfere by force (according to Xenophon) was that a general peace had just then been sworn, guaranteeing autonomy to every distinct town, so that the Mantineans under this peace had a right to do what they did—στρατεύειν γε μέντοι ἐπ’ αὐτοὺς οὐ δυνατὸν ἐδόκει εἶναι, ἐπ’ αὐτονομίᾳ τῆς εἰρήνης γεγενημένης (vi, 5, 5). Of this second peace, Athens was the originator and the voucher; but the autonomy which it guaranteed was only the same as had been professedly guaranteed by the peace of Antalkidas, of which Sparta had been the voucher.
General autonomy, as interpreted by Athens, was a different thing from general autonomy as it had been when interpreted by Sparta. The Spartans, when they had in their own hands both the power of interpretation and the power of enforcement, did not scruple to falsify autonomy so completely as to lay siege to Mantinea and break up the city by force; while, when interpretation and enforcement had passed to Athens, they at once recognized that the treaty precluded them from a much less violent measure of interference.
We may see by this, how thoroughly partial and Laconian is the account given by Xenophon of the διοίκισις of Mantinea; how completely he keeps out of view the odious side of that proceeding.