I don't know fully so I'll narrow it down to two answers.
B and D, I'm sorry for not giving the correct answer
Thomas Cole painted scenes of the American landscape.
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.
