Answer :
The City upon a Hill is a phrase that ha derived from Jesus's Sermon on the Mount. It should be noted that its use in political is a declaration of American exceptionalism, to refer to America as a beacon of hope for the world.
Who was Kennedy?
From 1961 until his death near the end of his third year in office, John Fitzgerald Jack" Kennedy was an American politician and the 35th president of the United States and he became the youngest person to be elected president.
It should be noted that Kennedy outlined the moral, constitutional, and legal aspects of the civil rights dilemma. He declared that the Congress will receive significant civil rights legislation to ensure equal access to public facilities, end educational segregation, and offer government protection for the right to vote.
Therefore, city upon a hill refer to America as a beacon of hope for the world.
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