the answer in this question would be A
Answer: The thing that motivated the enormous loss of life in the extermination camps was Hitler and the Germans hatred for Jews.
Explanation: Hitler believed that the Jews were spreading Anti German propaganda in the 1st World War. He blamed them for the reason as to why Germany lost in World War 1. He wanted to get revenge on them. He made the majority of the German citizens believe that the Jews must be exterminated because of this.
Answer:
Nativism: protecting those who are already inhabiting and existing in an area against newcomers or immagrants
Examples:
Chinese Exclusion Act
Immigration Resctriction League