A. prove the legitimacy of dynastic rule is your answer
Mandate of Heaven was the saying that there should only be one ruler, which the gods approve of. This would rule out B) and D). Because the ruler is approved by the gods, it means that all should obey the appointed king.
hope this helps
Number two would most likely be,
"If you met a federalist, you could assume that he was a supported of the constitution"
I'm not sure on the others, I'm sorry!!
A because Japan hated Hitler a lot and they did not get along
Weimar Republic was called the 'November Criminals' because they signed armistice agreement and conceded Germany to Allies
C). It failed to poll poor voters, because the names of the mailing list for the poll were taken from phone directories/magazine subscribers/etc., which tended to just be composed of middle-class/upper-class voters since they were the ones who could afford it
