Answer:The geography of Greece is predominantly mountainous, so when the population of the city-states surpassed the capacity of the land to provide them with sustenance, the surplus inhabitants had to establish colonies across the Mediterranean region. The Ionians (a group of Greeks who founded Athens) established settlements along the coast of Asia Minor (today's Turkey) and in Southern Italy and Sicily. Given that agriculture in their lands was meager and that Ionians were expert seamen, they mainly dedicated to trade with Phoenicia and Egypt.
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