What was set up to provide punishment for the Nazis to death.

Explanation:

The wording of the question puzzles me a bit. Some were hanged, but I'm almost sure that is not what you mean.

So I'm going to guess you mean something like the Nuremburg Trials. After defeating Germany, trials with a proper defense and good prosecution lawyers were retained and fair Judges presided over the trials.

answer; by working independently, the states have a high likelihood of developing innovative solutions that can be employed in other states;

i believe your answer is mountains.