-By Examining This Chart, What Conclusion Can Be Made About

-By examining this chart, what conclusion can be made about American participation in World War I when compared to its participation in other wars in the past 150 years?

A) More soldiers died in World War I than in World War II.
B) More soldiers died in battle during the Korean War than in World War I.
C) It took longer to fight World War I than the Vietnam War.
D) World War I was the shortest war in the twentieth century but the second deadliest.