Final answer:
The election with the second highest voter turnout after the 1972 election was the 1960 election, where John F. Kennedy won over Richard Nixon in a closely contested race.
Step-by-step explanation:
The student asked: What election had the second highest voter turnout after the 1972 election? According to historical turnout data, the election with the second highest voter turnout after 1972 was the 1960 election, in which John F. Kennedy narrowly defeated Richard Nixon. This election was notable for its engagement with the growing suburban population and was one of the closest in U.S. history. Factors such as the appeal of the candidates, the historical context, and the mobilization of various voter demographics played significant roles in driving turnout.