The power struggle between Stalin and Trotsky were major dispute. Stalin was, or at least pretended to be, one of the Moderates who wanted to continue the Lenin's NEP. In other words, they wanted a loosened Marxism. On the other hand, Trotsky was on the left opposition where they wanted a complete communism. This group was led by Trotsky, Preobrazhensky, Zinoviev and Kamenev. Despite Trotsky's high position, Stalin, who was on the position of General Secretary, had Trotsky expelled by... [cont.