It was the Germans who sent Lenin to Russia, because he told them he would end the war if he gained power.
Well, to be fair, Rockefeller and Wilson apparently had some involvement in the funding.
And yeah, he definitely ended Russia’s involvement. Too bad he made things even WORSE for everyone. Personally, had I been one of the German high command members, I’d probably say “no deal” and put a bullet into his head due to realizing exactly HOW much of a threat he actually was.