Answer:
Low literacy rates in the South.
Explanation:
Upton Sinclair's The Jungle: Muckraking the Meat-Packing Industry. Upton Sinclair wrote The Jungle to expose the appalling working conditions in the meat-packing industry. His description of diseased, rotten, and contaminated meat shocked the public and led to new federal food safety laws.
King Ezana also converted to Christianity. He was a devout Christian and Christianity became the major religion of the kingdom. Aksum was perfectly located to become a major center of trade. Merchants would travel from central Africa, Persia, India, and Egypt bringing their goods to Aksum to trade.
Societal change can be one result of a war effort. During World War II, women filled job positions that were traditionally male-dominated. See Rosie the Riveter.