Cite historical facts to illustrate the performance of ancient rulers in China in restraining commerce.

The ancient policy of attaching importance to agriculture and restraining commerce is mainly manifested in: 1. The rulers repeatedly emphasized that agriculture is an industry and commerce is the last industry. Second, on the land issue, adopt a policy of restraining mergers to prevent farmers from going bankrupt in large numbers and stabilize the agricultural production base; Third, strengthen household registration management and limit population flow; Fourth, restrict businessmen and business activities in many ways: restrict the political rights of businessmen, block the road of official career, and prohibit their descendants from being officials; Use the tax system to punish businessmen; Take official operation for important industries and prohibit businessmen from getting their hands on them; From the perspective of daily life, businessmen are restricted, and there are discriminatory regulations in dress, architecture, and riding.