Answer:
large cities
social classes
specialized labor
Explanation:
Cities played a role in ancient civilizations. Cities were the centre of trade, markets, and wealth which assisted civilization to organize itself. Palaces and other official buildings also built in cities. Some of the largest cities include Ur, Babylon, Uruk, etc.
Social classes in a society divided people according to their status. It still exists in today's society. The specialized work in ancient civilization related to the ruling class like kings and Queens. Other high class related to ministers and rich people associated with royal and official. The lower class belonged to servants, farmers, artisans, etc.
Social classes and specialized labour are also present in the modern world.
