The chart shows a dramatic rise in wages during this time period. The chart shows wage earnings of manufacturing workers from 1940 to 1960 .

Which of the following factors contributed to the increase in wages ?

A. Corporations shared their profits with union workers.

B. Industries continued to manufacture war materials due to the Korean War.

C.Women left the workforce to run households.

D. Americans fulfilled pent-up desires to buy manufactured goods after World War II.