What Was One Major Factor That Helped Kennedy Defeat Nixon

What was one major factor that helped Kennedy defeat Nixon in the 1960 presidential election?

A) Kennedy's performance in the first televised presidential debate
B) Nixon's poor performance in a presidential radio debate
C) Kennedy's extensive political experience compared to Nixon's
D) Kennedy's warm relationship with the Eisenhower administration
E) the fact that the nation was familiar with Kennedy, but Nixon was a newcomer to politics