Economic Development -Which of the Following Is Not a Reason Why the Why

Economic Development
-Which of the following is not a reason why the South was the poorest region in the country following the Civil War?

A) Most plantations were abandoned when slavery was abolished, eliminating the most substantial streams of revenue into the region.
B) They issued currency during the war that was ultimately useless once the Confederacy ceased to exist.
C) They had very little industrial diversity.
D) Former slaves and poor white Southerners lacked education and political advocacy, and consequently lacked economic mobility.
E) There was a severe internal social war between white supremacists and former slaves (plus the white citizens who supported their cause) , and the fixation on social issues like segregation took time and resources away from improving the region's economy.