Which totalitarian policy did the soviet union enact under joseph stalin?

Stalinism

Explanation:

The policies supported by Stalin and his fellows were known as Stalinism:

They included a major effort for industrializing the Soviet nation, establishing a socialist rule, and modernizing the country to match the level of European partners.

When Stalin remained in power eventually the abuse of power created a powerful and totalitarian state.

The cult of personality and an absolute power concentrated in the head of the Communist Party Joseph Stalin made all other parties comply with his vision in any policies left.

The agriculture was made collective and Stalin's First Five-Year Plan, was made a major change for economic and political doctrine.

The legay of Stalin remaining in power made the Soviet Union leaders think that a time to rethink the policies had came but any disidents were eliminated or sent to exile:

Important voices rose: Aleksandr Solzhenitsyn Vladímir Bukovski Andréi Sájarov.

arresting and executing citizens