Can someone help me in finding out the right answer from the given options. The economic impact of the World War II on U.S. civilian living standards was: (w) Rigorous since military production skyrocketed. (x) Worse than in almost any other enemy country. (y) Softened by the huge idle U.S. production capacity when the war starts. (z) Aggravated by high U.S. inflation just prior to the war.