B. like in Mesopotamia there were city states because they were a city with their own government.
A city-state is an independent city with political control over the surrounding area (B). It is also technically an urban area that functions like a nation (C). Examples in history are cities like Rome and Athens. Today places like Monaco, the Vatican City, and Singapore are examples of city-states.
A city-state is an independent city that governs itself and the surrounding area. Historically, this has been seen in examples like the Sumerian city-states in Mesopotamia, Greek city-states such as Athens and Sparta, and Italian city-states during the Renaissance. These entities typically thrive where agriculture and trade support population concentration, allowing them to operate autonomously.
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