Why did the communities of greece develop city-states

Greek city-states likely developed because of the physical geography of the Mediterranean region. The landscape features rocky, mountainous land and many islands. These physical barriers caused population centers to be relatively isolated from each other. The sea was often the easiest way to move from place to place.

in this way, as a created nation, france will probably use socio-economic reasons   at times do not take into account national economic, cultural, and social differences in protected industries. losing sovereignty, national independence.

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