How did geographical features, including mountains and the sea, affect Greek city-states' development?

A. They developed separately.

B. They had a unified government.

C. They had internal markets.

D. They followed the Egyptian model of development.

The correct answer is A) They developed separately.

Geographical features, including mountains and the sea, affected Greek city-states' development in that they developed separately.

The geography of Greece was definitive for the creation of many city-states. Many mountains, many islands, the sea, were important geographical features that made Greece have different city-states. In ancient times there were as many as 1,000 city-states, but the most important were Athens, Sparta, Syracuse, Thebes, Rhodes, Argos, and Egina.