John F Kennedy. He pipped Nixon who was Eisenhower's Vice President in the 1960 election.
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Answer:
Economic abundance, cold war, civil rights and rock and Roll.
Explanation:
One part of the constitution that was not the best was how it gave people too much freedom, since people didn't want to eventually form a dictatorship over the colonists.
I'm gonna have to say A. I'm not sure though. Hope this helps! Have a good day!