Original: At the Nuremberg Trials, Seyss-Inquart faced charges of conspiracy to commit crimes against peace; planning, initiating and waging wars of aggression; war crimes; and crimes against humanity.
Simplified: Seyß-Inquart was executed at the Nuremberg Trials for crimes against humanity. At the Nuremberg Trials, Seyß-Inquart faced charges of conspiracy to commit crimes against peace; planning, starting and fighting wars of aggression; war crimes; and crimes against humanity.