Answer:
By charging the war leaders with war crimes.
Step-by-step explanation:
The basis of the Nuremberg trials were the violation of the
1. Geneva Convention of 1864
2. Hague Convention 1899-1907
the rules for conduct of war were set by these conventions.
Some of the charges were:
1. crimes against peace
2. Planning, initiating, and waging wars of aggression
3. War crimes.
4. Crimes against humanity.
The trials brought the Holocaust to an end with the trial of 21 german leaders, 12 of them were sentenced to death, 7 to life in prison, 3 received temporary prison sentence.