Around 6 million Jewish people were killed.
The League of Nations was formed to unify many countries. It wasn't very efficient. The United Nations was essentially an improved version of the League of Nations.
Many cases heard by the Supreme Court often concern criminal, civil, and bankruptcy cases. Many times once the case is decided it can be appealed. (Just add some for fluff to it and there you go)
The Indians? Or this is a very confusing question.