The power and the influence of the Greek city-states was increased around the Aegean by . the ownership of hundreds of thousands of slaves the religious leaders the shift towards democracy Sparta military training trade and colonization

trade and colonization

Explanation:

The influence or expansion of the Greek city-states around the Aegean is known as the Aegean civilization.

Aegean civilization was increased by trade and colonization of Greek city-states. Sea Trade was a fundamental aspect of the ancient Greek as they had few natural resources and that helped them in territorial expansion.

The Greek population started Colonization or large-scale population movements to get resources and trading helped them to form colonies in other regions such as around Aegean.

Hence, the correct answer is "trade and colonization".

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