Similar to the Progressives, Wilson supported "(A) establishing a graduated income tax" since this would increase the tax rates on the rich and in theory redistribute some of the wealth to the lower classes.
I would say the answer would be new technology.
Franklin Roosevelt’s New Deal reforms sparked an ongoing national debate on the extent to which the federal government should intervene in big business and the lives of average Americans.
They also engaged in the ceramics Industry, paper making, porcelain making, tea-leaf processing, metallurgical among other activities which helped boost their economy. The people in Tang Dynasty were involved in commercial activities due to developed and improved agriculture and the handicraft industry. Inventions during the Tang dynasty were made in the fields of medicine, engineering, and sciences. Gun powder, gas cylinders and porcelain were among the few inventions during this time. Printing was another big accomplishment during this dynasty. The Song Dynasty (960–1279) of China was a period of Chinese history marked by commercial expansion, economic prosperity, and revolutionary new economic concepts. Private trade grew and a market economy began to link the coastal provinces with the interior. Hope this helps!
Before the war, the world had been in the grips of The Great Depression for a decade. When the war started, pressure was added on the people to make resources. Guns, medicine, food etc. the war itself ended the Great Depression
