
Answer:
The answer is C, the anti-Semitic feelings among the people.
Explanation:
If you think about it, Hitler used propaganda to brainwash people into thinking the jews were the main reason Germany lost the First World War, as they had "stabbed Germany in the back". However, this wasn't really true, the Jews didn't really do much in the First World War.
All the other answers are ridiculous.
Hope this helps have a good day! :)