D. Vladimir Lenin is the answer.
We still are on rocky relations with Russia today, which is most likely the result of the Cold War and the fall of the Soviet Union.
Luckily, I had remembered this type of question before, next time please states how and what you want the answer to be like.
33° North
44° East
Hitler needed a way to blame all of Germany's problems on something, by doing this he could alienate the Jews and justify his hatred towards them