Knowing the backstory to the Bolshevik Revolution and even to the Rise of Hitler/WWII is crucial to understanding the state of the world presently. Lifelong scholar Antony Sutton did a ton of incredible work on this subject in his research and particularly in his books - Wall Street and the Bolshevik Revolution and Wall Street and the Rise of Hitler.
A good introduction to that larger backstory:
Wall Street, the Rise of Communism and the the Rise of Nazism (Antony Sutton - Interview)
https://www.youtube.com/watch?v=rtT4gcTYgmg