How did the geographical and natural conditions influence the characteristics of the ancient Greek civilization?

In ancient Greece, there were no large fertile river valleys that would allow highly productive agriculture, almost the entire territory was mountainous and surrounded by the sea. Farming was not an easy task in such conditions, there was always a shortage of bread. Therefore, cattle breeding played an important role in nutrition.
Geographic conditions influenced the settlement of the Greeks. The population settled on the sea coasts, mountain valleys and islands – this situation did not contribute to the creation of a single state, more than 300 colonies arose. If the population in some part of Greece grew rapidly, then some of the people were forced to sail to unoccupied land in order to feed themselves.
Also, geographical and natural conditions influenced the development of trade and crafts. There were many minerals in Greece: clay, marble, metals (iron, copper, silver, lead). The rest of the resources that people needed were obtained through trade.

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