The correct answer is A. Nazi leaders. The Nuremberg Trials were a series of 13 trials held in Nuremberg, Germany, in 1945–49, in which former Nazi leaders, who planned, carried out, or otherwise participated in the Holocaust and other war crimes, were indicted and tried as war criminals by the International Military Tribunal. The hearings were presided by judges from the Allied powers—Great Britain, France, the Soviet Union, and the United States. As a consequence, of the twenty-four Nazis put to trial, twelve were sentenced to death, seven received terms in prison, two died before the trial was over, and three were acquitted.