Another data point for the definition of Empire being control of foreign policy. H.H. Scullard writes on Rome's run-in with Sparta:
But Flaminius would not go as far as his [Greek] allies desired; as with Phillip [of Macedon], he wished to cripple, but not destroy. Once again it was the Romans and not the allies who dictated terms, which included the surrender by Nabis of Argos and other towns and of his fleet, an indemnity, and the renouncing of the right to make war or alliances.(more)





