those who helped the Holocaust were called Nazis, but they were not Heroes.
The Netherlands was one of the most known countries that helped people int he Holocaust in the 1940's. Also, the Ukraine was another notable country that helped those who were mistreated by the events of the Holocaust.
None of the turning-points "helped the Holocaust". In Europe the Battle of Stalingrad (1942-43) is regarded as a key turning point, but the Holocaust continued ...
The soviet union
Chile ,argentina ,paraguay ,Brazil
Some people helped individuals during the Holocaust. Nobody tried to 'prevent the Holocaust' - even the Allies did not try to do that.
Israel, and Germany paid reparations.
america and germany
Yes.
The holocaust was the German operation for the extinction of the Jews and many other ethnic groups. I suggest you look at this: http://www.remember.org/educate/mtimeline.html Japan was not involved in the Holocaust.
He helped make decisions on what to do and did alot stuff to help cover up some of the things they did during the holocaust.
perpetrator, like Hitler he did not actually kill anyone himself, but he helped create the environment that made the Holocaust possible.