In the early 1920s, Lenin established the New Economic Policy, which

The policy of War Communism was in effect since 1918. New Economic Policy (NEP) was the policy introduced from 1921 to 1928. The measure of this new policy were in the favor of most agriculture, retail trade and small scale of industry in the cities. Foreign trade was also introduced by the people who were then called as NEP Men. It result in huge change in economy while communists were happy and held their power by it.