What policies did Liu Bang adopt to govern the country in the early Western Han Dynasty?

At the beginning of the establishment of the Western Han Dynasty, due to years of war, economic depression, barren land and empty treasury. To this end, Liu Bang took a series of measures to co-rule with Gong Tong and resume production. He reduced taxes and "shared the interest with the people"; Adhere to the Qin system and strengthen centralization. The imperial court has three posts and nine ministers, and the local government adopts the county system and the twenty-title system; Formulating Nine Chapters of Han Law and etiquette system based on Qin Law; Implement "the skill of strengthening the foundation and weakening the end", encourage farming, suppress businessmen, and avoid hurting agriculture with business; Move the descendants of the six kings and aristocratic families to Guanzhong to strengthen control; Implement a rest and recuperation policy, let a large number of soldiers retire and go home, reduce their corvee, so as to restore the economy and production; The policy of "fifteen taxes and one tax on land tax" is implemented, that is, the tax is levied per head, and each adult pays 120 yuan a year. These measures laid the foundation for resuming production and developing agriculture, and played an important role in restoring broken social economy and stabilizing feudal rule.