Lenin's Theory of Revolution

The bolsheviks emerged as a faction of the russian social democratic party. They were led by lenin and trotsky, who would go on to become one of the most influential theories of revolution in the twentieth century. But even amongst them, there is a constant debate as to whether they should keep fighting the war. And that's when you get the split between the legatees of the second international and what comes to be known as the third international.