Final answer:
Ancient Greek city-states were united by shared culture despite being independent entities, forming a vast empire of influence.
Explanation:
Ancient Greece was divided into self-governing units called city-states or poleis, each with its own unique government, culture, and identity.
Despite being independent entities, the ancient Greeks were united by a shared language, religion, and culture, as well as through Panhellenic sanctuaries and festivals that promoted interaction and unity among all Greeks.
Through their colonies and cultural influence, the Greeks formed a vast empire of shared language and customs across the Mediterranean, impacting the civilized world with their arts and philosophy.
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