Lenin dictated his "Testament" in December 1922. He was partially paralysed by a stroke.
Lenin gave opinion of the Politburo in his Testament. He was particularly critical of Stalin because he insulted his wife.
Lenin suggested Stalin should be removed from the post of General Secretary of the Politburo.
Trotsky was seen as a charismatic and brilliant orator. Stalin was seen as methodical and unthreatening.
Trotsky was critical of the decline of internal party democracy within the Politburo.
Stalin appointed his own supports to key positions as General Secretary so they "owed" their place to Stalin.
Trotsky was absent from Lenin's funeral because he was recovering from illness and he was misled about the date.
Stalin praised Lenin and Lenin's funeral. Stalin "committed" himself to carrying on Lenin's work.
Trotsky believed in a permanent revolution. He believed Russia should actively encourage socialist revolutions abroad.
Stalin believed in the Decree of Socialism in One Country. This allowed Stalin to accuse Lenin of not having faith in the Russian people.
Many Politburo members viewed Trotsky as arrogant and dangerously ambitious. They feared he would become too dominant.
Many people underestimated Stalin's political skill and ambition.
Stalin had control over the party machine. He "delivered the votes".
Trotsky was forced out of the position of Commissar for War in 1925.
Trotsky was expelled from the Communist Party in 1927. He was deported in 1929.
Stalin maintained and extended Lenin's system of one-party rule and centralised control.
Stalin was keen to assert political dominance within his party. Party congresses took place less frequently.
Stalin controlled major party appointments as General Secretary. A bureaucracy of loyal servants was developed.
Stalin benefitted from the Party's membership increase in the 1920s and 1930s. New members were more noticeable because they were younger and less educated.
New Communist Party members knew that party loyalty would benefit them and their families. This led to reliable supporters of Stalin's dictatorship.
Stalin ironically claimed the 1936 Constitution was "the most democratic in the world".
Regional autonomy was promised in the 1936 Constitution. Centralisation caused little self-government.
The 1936 Constitution promised elections every 4 years.
Civil rights were promised in the 1936 Constitution. These rights were ignored.
Some elements of the "Stalinist dictatorship" were established by Lenin in the 1920s.
Robert Service argued Stalin gained the reputation of an "unprincipled bureaucrat".