How Was the Greek World Affected by the Conquests of Alexander

How was the Greek world affected by the conquests of Alexander the Great?

A) The cultural and ethnic unity of the early Hellenic world was shattered by the cultural and ethnic diversity of the Hellenistic world.
B) The constant warfare of the Greek city-states was replaced with the stability and peace of the Hellenistic world.
C) The significant cultural difference among the various Greek city-states gave way to the broad cultural unity of the Hellenistic period.
D) The cultural unity of the Hellenic era was spread largely unchanged with the peace established across the Near and Middle East in the Hellenistic era.