 By Philip's time, virtually every city and port on the eastern Adriatic coast was under Roman influence or protectorate.The Romans had also provided their support to many Greek coastal cities and islands (like Apollonia and Corfu) members of the Aetolian League, which fought against Macedon and the rest of Greece in search of independence.The Seleucid kings of Syria and Attalus I of Pergamon were stirring trouble on the eastern borders of Macedon.