What mistakes did Nicholas II make during the war?

What mistakes did Kerensky make during the war?

How did Lenin modify Marxist theory?

Compare and contrast the contributions of Lenin and Trotsky to the success of the Bolshevik revolution.

Why did the Red Army triumph during the Russian Civil War?

How did the Bolsheviks justify using the methods of war against their domestic enemies, even after the end of the Civil War?