In which presidential election was voter turnout by 18-24-year-olds the highest?

roosevelt believed that in light of the country's recent military successes, it was unnecessary to use force to achieve foreign policy goals, so long as the military could threaten force. this belief, and his strategy of “speaking softly and carrying a big stick,” shaped much of roosevelt's foreign policy.

if i am correct the answer is going to be a) the federal program of reconstruction ended.