Job Recruitment Website - Immigration policy - Eastern Han Dynasty, Wei and Jin Dynasties. Why did northerners migrate to Jiangnan? What are the positive effects of northerners moving south?

Eastern Han Dynasty, Wei and Jin Dynasties. Why did northerners migrate to Jiangnan? What are the positive effects of northerners moving south?

The war in the north forced the population of the north to move south, brought labor, advanced production tools and technology, and promoted the development of Jiangnan.

The revelation of the development of Jiangnan is that labor, tools, technology, stable social environment and suitable climate environment are the key factors of economic development.