This question confuses the Holocaust with World War 2.
they were allies with the germens
to liberate people of the Jewish faith
Some people helped individuals during the Holocaust. Nobody tried to 'prevent the Holocaust' - even the Allies did not try to do that.
Us, Australia.
the Holocaust had no 'the Allies' per se, there were alliances like between the escape committees inside camps and the local resistance groups.
There was no single 'year of the Holocaust' ...
Allies: U.S., Great Britain, and the Soviet Union are the most recognized "Allies" (before 1941, Great Britain, France, and Poland) Axis: Germany, Italy, and Japan. ____________ The question confuses the Holocaust with World War 2. See the related question.
During WW1
Mostly the Germans and the Allies.
The Battle of the Atlantic was won by Britain and her Allies .
None of the Allies did anything specifically aimed at stopping the Holocaust. Please see the related question below.
The killings stopped when the camps were liberated by the Allies. In many cases the SS fled as the Allies approached and left the camps.