Reasons for the long-term prosperity of traditional rockfill materials

Reasons: the influence of traditional Confucian benevolent government thought; Natural disasters and ethnic wars occur frequently, and natural and man-made disasters occur frequently; Land annexation is serious, and people's pursuit of wealth intensifies the polarization between the rich and the poor; Agricultural economy fluctuates greatly under the influence of seasons; The advanced science and technology and highly prosperous farming economy in Song Dynasty provided material basis for social relief.

Influence: it provided basic material guarantee for the socially disadvantaged groups, stabilized social order, and was conducive to consolidating feudal rule; It provides a reference for future generations.