Explanation:
As per the 2019 Demographic Projections of the U.s. Census, the rise of this population resulted in an increase throughout the regional average age. "In 2011, the very first Younger Generations reached 65 years of age."
Harlem Renaissance. They were two major people in the time period.
Due to the rise of industrialism, the north was mostly comprised by factories. In addition, white men in the north were literate at a higher rate than men in the South. Men in the north tended to be businessmen, scientists, etc (i.e. professionals as opposed to plantation owners/farmers like in the south). The south had a higher rate of illiteracy than the north, and was deeply influenced by an economy that depended on slavery and agriculture to thrive.