Nothing, they knew nothing of the plans of the Nazis and the few that had some idea were in denial that any country could consider any such thing.
Please see the related questions.
Denial is one.
absolutely nothing. the holocaust is done and over with, so we don't need to worry about it now
Nazi Germany.
World War Two was a major contributor to the Holocaust. Under the shadow of war, many things could be done, many laws could be passed that would not have been allowed during a time of peace.
In the Holocaust most of the gassing was done on an "industrial" basis.
The outcomes of all twins in the Holocaust all resulted in death, a single injection of chloroform, directly in the heart, causing them to die almost instantly, but before there lives were taken, many tests had been done on them.
The most memorable happening in Germany is the Holocaust. There are plenty more, but the Holocaust is the most famous.
There have been recent plots of terrorism in the UK and little has been done to combat this. There are many known to support terrorism but little is done.
start basic life support
The dates for the Holocaust are not as clear as the dates for the war. People contuned to die for months after the war because of what was done to them during the war.