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
Answer:
People were frightened by the event, but there was no physical harm.
Explanation:
<span>D. an unofficial competition between different departments of NASA to develop new space technology
</span>
The correct answer is : Twenty-First.
The Twenty-First amendment repealed the 18th amendment, which introduced the Prohibition (of alcoholic beverages in the US).