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.
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Answer A its true of the economy of the east
- A failure to use resources properly
- A shortage of well-made goods.
I'm assuming that my answer is what you are looking for because your question is quite vague.
Paris, France is a capital city. Paris is the capital city of France.
Hope that helped you.