Please talk about the societies of ancient China, ancient India, ancient Egypt, ancient Babylon, ancient Rome and ancient Greece! I can't tell the different slave societies apart!

Ancient China: Ancient China was a country based on agriculture, with family, village and clan as social structural units and patriarchal clan system as the basic social organization. The early China society experienced a period of absolute monarchy, but since the Han Dynasty, China has gradually formed a complex social and political system such as centralization, bureaucracy and imperial examination system.

Ancient India: Ancient India is a diversified civilization, including many different cultures and dynasties. In the Indus Valley and Ganges Valley, the early urban civilization gradually developed. Indian society is characterized by caste system, religion, cultural diversity and economic self-sufficiency.

Ancient Egypt: Ancient Egypt was a highly centralized country, and its social structure was dominated by pharaohs, priests, soldiers and peasants. Early Egypt was a slave society, but after the Middle Kingdom period, slavery was gradually replaced and became a society based on serfs and wage labor.

Babylon: Ancient Babylon was a highly developed civilization, and its social structure was centered on the city, including priests, nobles, businessmen, farmers and other classes. The early Babylonian society was a slave society, but after the Hammurabi period, slavery was gradually replaced and became a society based on serfs and wage labor.

Ancient Rome: Ancient Rome was a highly centralized country, and its social structure was dominated by nobles, middle class, civilians and slaves. The early Roman society was a slave society, but after the Republic of China, slavery was gradually replaced and became a society based on free labor and serfdom.

Ancient Greece: Ancient Greece was a pluralistic civilization, including many city-states. In the Greek city-state, the social structure is dominated by citizens, slaves and foreign residents. The early Greek society was a slave society, but after the classical period, slavery was gradually replaced and became a society based on free labor and serfdom.