19 18 In September, the Soviet government announced that the country had entered the wartime track, put forward the slogan of "everything is for the front line and everything is for defeating the enemy", and began to implement the wartime policy. The main contents include: the implementation of surplus grain collection system, farmers must sell grain and other agricultural products at the price and quantity stipulated by the state, and cancel free trade. In March, the Tenth National Congress of Russia * * * * adopted a resolution on replacing the surplus grain collection system with real tax according to Lenin's report, which marked the transition from wartime production policy to new economic policy, and replaced the surplus grain collection system with grain tax. Grain tax is lower than the surplus grain collected. After-tax surplus grain belongs to oneself, and surplus grain can be freely bought and sold in the market or exchanged for needed industrial products, allowing farmers to run their own economy individually and allowing the existence of the market, which greatly mobilized farmers' enthusiasm for production. 1924 After Lenin's death, Stalin became the supreme leader of the Soviet Union, and the economic policy of the Soviet Union changed accordingly. First, give priority to the development of heavy industry; The second is to carry out the movement of agricultural collectivization, implement single public ownership in the ownership of means of production, including ownership by the whole people and collective ownership, and abolish all non-socialist economic elements. The one-sided development of heavy industry has left light industry and agriculture in a backward state for a long time, deprived farmers too much, dampened farmers' enthusiasm for production and neglected the production of consumer goods, resulting in people's material life not being greatly improved for a long time.