The Presence of naturally occurring barriers around the Mediterranean is the main factor why Greece developed into city states.
The Geography of Greece.
The presence of mountainous plains, rocky land and islands ensured the population is centred around particular places and isolated from one another.
This is the major reason for Greece developing into city states with each state having it's own individual government.
The easiest means of transportation was through water especially to areas separated by water bodies.
Learn more about Greece at https://brainly.com/question/31810
