Answer :
A. Rugged terrain limited trade and communication among groups of people in Greece.
The independent city-states of Greece, also known as polis developed in different ways because the rugged terrain limited trade and communication among groups of people in Greece, option A. Greek territories were divided in four: Peloponnese, Central Greece, Northern Greece and multiple islands. This division helped each polis to develop their own governments, philosophies, ideals, culture, art, and armies but it also meant constant conflicts between different cities.