What is the economic significance of the massive migration of the northern population to the south in the Eastern Han Dynasty?

1, which brought a lot of labor force to the south and enriched the labor force in the south.

2. At the same time, it also brought advanced production technology and rich production experience, which promoted the progress of production technology in the south (although there were wars in northern China in most ancient times, it was still ahead of the south in production technology, although the economic center of the Southern Song Dynasty moved south).

3. It promoted the feudalization of local production mode, because most of the northern immigrants were farmers.

In addition to economy, it is also important to promote the development of a multi-ethnic country with national integration and unity. )