The most likely cause of an increase in the crime rate from 1920 to 1933 was the introduction of prohibition. Prohibition banned the production and sale of alcoholic beverages. This ban afforded the chance to make alot of money by producing and selling illegal alcohol. Prohibition also saw the huge increase in organized crime.
Sectionalism became very tensed in the late 1940s because of the separation of the North and the South because of the slavery. People in the North were focusing on industrializing, urbanizing, and building factories while the people from the South concentrated in agriculture. The Southerners was claiming that the North's factories weren't treating everyone fairly and lead into a war.
During the Gilded Ages, social problems arose such as the dominated discussions with regards to the different classes such as better, dangerous and respectable classes, which arose during the development of the US into an Industrial economy. Another Social Problem was that the described overworked individuals in the Fall River was described by the owners as sc#m of the English and Irish men.