It seems that you have missed the given choices for this question. But anyway, the correct answer to the given question above would be TRIALS AND JURIES. Trials and juries are guaranteed by the constitution during criminal cases. Hope this answer helps.
Simple...
The camps were liberated by Allied forces near the end of the war.
If you remember, this is known as the Holocaust. What the Nazi's did to the Jew was a violation of their human rights and will always go down in history as something to never be forgotten. The way they were treated is unspeakable, brash, cruel, despicable and once the world had found out what the Nazi's were doing; there was a huge uproar. May this never be forgotten.
The main reason would be because so many of them had already died fighting against the British.