Why did early Chinese civilizations and dynasties thrive for thousands of years with little outside influence?

• The Great Wall prevented invasions.
• The Chinese did not need to trade for goods and resources.
• Mountains and deserts provided natural barriers.
• China is protected by water on all sides.

• Strong centralized government and efficient bureaucracy maintained stability and control within the country.

• The Chinese civilization had advanced agricultural techniques and domesticated animals, allowing them to be self-sufficient.
• The cultural and philosophical beliefs of Confucianism and Daoism promoted social harmony and stability within the society.
• The Chinese had a sophisticated writing system and literature, allowing for the preservation and transmission of knowledge and history within the civilization.