Which best explains why the united states prospered more than european nations after world war i? (points : 2) american laborers were more productive than european laborers and had financial incentives to work long hours. there was widespread corruption among european business leaders after the war, but not among most american business leaders. european, but not american, roads, buildings, railroads, and populations had to recover from the war's destruction. american technology and manufacturing methods were far superior to those of the europeans.