Why has president Kennedy's legacy endured so long after his death?

During Kennedy's brief presidency, the United States experienced both foreign policy triumphs and tragedies, including the Bay of Pigs invasion and the Cuban Missile Crisis. Kennedy was assassinated in Dallas, Texas, on November 22, 1963.

Explanation:

About the fact that it has been fifty years since that bright autumn day in Dallas, many Americans continue to lament and be fascinated by the youngest man ever elected president. Neither Garfield nor McKinley could claim to have had such an indelible impact on the American psyche. JFK remains a vivid figure half a century after his death for a number of reasons. The then-nascent news medium of television was perhaps the most significant contributor to his "afterlife" in American culture. Kennedy was the first president to hold live broadcast news conferences, and many Americans had a closer bond to the man in the White House as a result of those events. Television was there when he died, in a manner that no other news source could match.

Explanation:

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where is the section with the question?

theodore roosevelt challenged william to a duel, whoever won, got their policy sent to congress. it ended up in a stalemate, and both men were injured and sent to the hospital.