Please ask a more specific question. What do you mean "in on"? What he was personally involved with? What policies he created?
As posed, the question is unanswerable.
Hitler. All in all, it was Hitler.
'Hial Hitler' means to all worship hitler.
heil hitler
Hitler attempted to eliminate all the Jews of the world for a couple of reasons. Hitler did not like the Jews.
hitler did this because he hated jews an all he wanted is power
what are the things that Hitler disliked
Hitler had it
Obviously, Hitler had no conscience at all.
Hitler failed to murder all Jews in the world.
Hitler planned on killing all of the Jews.
They all fought for Hitler and their homeland.
They had done nothing wrong. Hitler's aim was to exterminate (wipe out) all Jews.