The United States government used propaganda as a way to make Americans support the War. The Federal government used posters, films, and propaganda to start the spirit of patriotism and increase the number of labor and military force. The Government created a special Office for that that was called Office of War Information in 1942.
The Government propaganda was successful, American citizens were very supportive of the War and even helped the government by donating metals to build more military gear.
After WW1 it took a while for life to go back to normal. Everyone around this time were creating new ideas and which lead to mass production. The demand for the multitude of new product was higher then ever and they thought that they were getting somewhere. However the prosperity<span> of the 20s was not universal, many places were still dependent on farming. But everything went downhill and it led to the great depression </span>
They were more politically motivated
The articles of confederation were not affective (shays rebellion)