 Complete the following phrase:  The League existed since the 5th century BC. It was at the time not a fully-fledged federation sympoliteia as elsewhere in Greece, but a loose confederation of the Acarian cities. An assembly of representatives met at Stratos, having also power of negotiating treaties with other states, a supreme court existed at Olpae in common with the Amphilochians, and there was a common coinage and cult, but no federal officials and no common foreign policy. Thus, although the League sometimes acted for all its members, as in the alliance with Sparta in 390 BC or the joining of the Second Athenian League in 3754 BCE, at other times individual member city-states acted independently, e.g. during the 