For the first time in English , Trotsky's report on the decisive Second Congress of Russian Social Democracy in 1903, to which he was a delegate. An important addition to the documentation of the split between Bolshevism and Menshevism. Trotsky, adhering to neither of the two main camps, expressed resolute opposition to Lenin's stand on Paragraph One of the Rules - a position he disavowed in 1917 when the two came together to lead the Russian Revolution.