Answer:
correct answer is mountains prevented city state from interacting
Step-by-step explanation:
geographic feature in Greek city-states play important role by mountains prevented city-states from interacting
Because from mountain each city is fairly isolated with each other
and allow them to become city state
and it also led constant war against each other
as mountains allow mountainous terrain and isolated valley and some offshore island allow for many local center of the power
so correct answer is mountains prevented city state from interacting