Explanation:
Kennedy at Harvard: From Average Athlete To Political Theorist in Four Years. John F. Kennedy entered Princeton September 1935. Although both a father and brother had attended Harvard, Jack decided against it.
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Well there are two ways of really explaining this, but "The Common Good" by definition is something that benefits or interests of everyone.
The political term, is literally the same thing; "What is shared and beneficial for most members of a given community"
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All the above can be foynd in central and southwest asia