Which two ancient civilizations were divided into social classes?

Two ancient civilizations that were divided into social classes are ancient Egypt and Mesopotamia. In ancient Egypt, society was structured in a hierarchy with pharaohs at the top, followed by priests, nobles, merchants, and farmers, with slaves at the bottom. Similarly, Mesopotamia had a class system that included rulers, priests, and wealthy landowners at the top, followed by craftsmen, farmers, and slaves. These social divisions influenced various aspects of life, including politics, economics, and cultural practices.