How did the jagged coast and many islands and penninsulas in the mediterranean effect the development of civilization there?

Mediterranean region is a part of the cradle of civilization helped in developing and flourishing the civilizations like Egypt, Mesopotamia, Greeks, Phoenician, Carthage, and Rome. The civilization emerged with the help of trading as well as by cultural exchange and transport. The civilizations were known for their architecture, culture, philosophers, art, and science.    

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