Which statement best describes the role of scientific racism and Nancy persecution

The role of scientific racism and Nazi persecution was to promote and justify ideologies of racial superiority, discrimination, and extermination of targeted minority groups. Scientific racism was used to provide a pseudo-scientific basis for the belief in the superiority of certain races, while Nazi persecution involved the systematic persecution, discrimination, and mass extermination of millions of Jews and other targeted groups during World War II. Both played a significant role in advocating and carrying out racist policies and atrocities in history.