Question

stalin subjected the soviet union to totalitarian rule as he transformed it into a world power. he oversaw the imprisonment and execution of millions during the great purge. his collectivization of farmland under a command economy resulted in severe shortages of food and consumer goods. he relied on terror to maintain power and persecuted dropdown with options: the nkvd, industry, religion heavily, while restructuring the nation’s education system to make the soviet union more economcut offive.

Explanation:

Stalin's regime heavily persecuted religion. The NKVD was a secret police organization (not the target of persecution in the context of this blank), and "industry" doesn't fit the persecution context here. Religious persecution was a significant aspect of Stalin's rule as he sought to suppress religious institutions and believers to enforce state - sponsored atheism and centralize power.

Answer:

religion