The answer is D. Therefore, during the Holocaust, the Germans, or known as Nazis, hated the Jews for various reasons.
So, the answer is D (It blamed Jewish people for Germany's economic problems.)
Worst is superlative. Superlative means the highest form of something - saddest, coldest, worst, etc.
I am sorry if my answer is worng but :
to from a circular or spiral arrangement of intertwined material (such as flowers or leaves)
conflict means to cause a problem so it's like the problem in the story or something like that that you have to solve