I believe the answer for this one is that the Nazis blamed the Jews for social, political, economic conditions in Germany. The Germans would soon take it to the extreme, and "punish" them by committing one of the worst crimes possible, genocide, because of the Anti-Semistic views.
The map supports answer C.
Archaeologists have excavated different regions with findings of very early agriculture.
Within seven months of his appointment as Chancellor of Germany, Hitler had completely consolidated his power, since he was able to convince the legislature to give him full authority over the state.
Easy defeat of foreign invaders is obviously positive, so it couldn’t be a factor that would topple an empire. Security is good.