After Vladimir Lenin died, Stalin's rivals for power were Leon Trotsky, Grigori Zinoviev, Lev Kamenev and Nikolai Bukharin.
Leon Trotsky was Stalin's main rival inside the Soviet Union. Stalin had him deported and finally assasinated. Adolf Hitler was Stalin's main rival outside the USSR. The Russian army invaded Germany and found Hitler dead.
Stalin's biggest rival was Leon Trotsky.
Trotsky ?The main struggle for control was between Leon Trotsky and Joseph Stalin. However Grigory Zinoviev and Nikolai Bukharin were also high enough in the ruling party that they could also vie for control. Stalin allied himself with Zinoviev to oust Trotsky. Then allied himself with Bukharin to eliminate Zinoviev. By then Stalin was so entrenched in the party that he cut ties with Bukharin and simply assumed power in the absence of meaningful opposition.
Lamborghini is the main rival for Ferrari.
Leon Trotsky.
Their main rival is Manchester United
The name of Edison's main rival was Nikola Tesla.
The main rival of FC Schalke is Borussia Dortmund.
Stalin's main goal was rapid industrialization of Russia.Rapid industrialization
Stalin's main goal was rapid industrialization of Russia.Rapid industrialization
Chargers
England is Australia's main rival at the World Championships and Commonwealth Games.