Complex sentence: Holland, p362 This marked the point at which the leadership of the Hellenic alliance effectively passed to the Athenians; with the Spartan withdrawal after Byzantium, the leadership of the Athenians became explicit.
Split into simpler sentences: Holland, p362 This marked the point at which the leadership of the Greek Alliance effectively passed to the Athenians. With the Spartan withdrawal after Byzantium, the leadership of the Athenians became explicit.