How did Stalin gain and hold on to power?

Asked about propaganda as a method of control, some candidates stray into Stalin's mid-1920s rise rather than his 1930s methods. These are distinct phases: the rise (1924-28) is Party in-fighting and the General Secretary role; control as dictator (1930s) is the personality cult, socialist realism, and doctored history. Give the 1930s material, not the leadership struggle.

On "how complete was Stalin's control", candidates handle the terror and propaganda machinery well but are weak on the limits. Total control was never achieved: the army purge damaged military readiness, denunciation caused inefficiency, and private doubt and non-compliance persisted. A top answer supplies this other side, not just the methods.

The Soviet secret police changed over time: the Cheka under Lenin, reorganised as the OGPU, then the NKVD from 1934 -- the body most associated with the Purges. Candidates use the names interchangeably, as if identical. In a 1930s control answer the NKVD is correct; the Cheka belongs to the Civil War era. The wrong force dates the answer wrongly.

Candidates blur the Purges into one wave of arrests. In fact they had distinct, sequential targets: public show trials of named leaders (Kamenev, Zinoviev, Bukharin), then the wider Party and bureaucracy, then the Red Army; and, separately, mass arrests of ordinary citizens sent to Gulag camps, often with no trial. Keep the show trials distinct from the broader terror.

Kirov, the Leningrad Party boss, was murdered in December 1934, and Stalin used the killing as a pretext to intensify the terror. Candidates treat the murder as "the Purges" or muddle its role. It was the trigger; the Purges were the sustained campaign of arrests, show trials and executions through 1934-38. Name the murder as the pretext, not the campaign itself.

On "why Stalin, not Trotsky?" candidates list disconnected facts -- "Stalin was General Secretary. Trotsky missed the funeral." -- instead of prose explaining why each mattered. A list blurs and loses focus. Link each point to the outcome: the General Secretary post gave patronage, which built alliances that isolated Trotsky, whose own errors deepened his defeat.

Students often think Stalin became leader immediately when Lenin died in January 1924. In fact there was no vote: leadership was decided by a power struggle lasting several years (1924-28), mainly against Trotsky, with Kamenev, Zinoviev and Bukharin also involved. Stalin won through the General Secretary post and shifting alliances, not automatic succession.