Original: He was indicted as a major war criminal at the Nuremberg Trials on three counts : ( 1 ) conspiracy to commit crimes against peace , war crimes , and crimes against humanity ; ( 2 ) Planning , initiating and waging wars of aggression ; and ( 3 ) crimes against the laws of war .
Simplified: After the war Dönitz was charged and convicted of '' crimes against peace '' and '' war crimes '' at the Nuremberg Trials .