Answer: The market.
Explanation:
Traditionally, the main economic backbone of ancient Greece was trading. The Greeks were exceptional sailors and traded throughout the eastern Mediterranean. The Greeks exploited fish and other seafood, and the fish trade was the Greek economy's backbone. The peak of economic power in ancient Greece occurred during the IV and V centuries BC. The Greeks also traded in various other food products such as grain, but also certain materials. At the height of economic power, the Greek economy was considered the strongest in the ancient world.
