 They also sent auxiliary troops to the assistance of the Achaeans, because the Cnossians had supported the Aetolians.In a successful campaign they prevented their rival cities Cnossus and Gortys from dominating the entire island and brought a large part over to the Macedonian coalition.Polyrrhenia continued to flourish in the Roman period, when the center shifted to its erstwhile port, Cisamus, and in this urbanistic configuration lasted into Byzantine times.