Following the Civil War and Reconstruction, which factor delayed the South's economic development? A) few agricultural resources B) a lack of major cities in the South C) a high population of immigrant labor D) few natural harbors and river systems

I would say A would be the right answer

For several decades prior to the Civil War, the North was forced to delay or compromise several of its national economic policy objectives due to Southern least two generations after the American Civil War the South remained predominantly agricultural and largely outside the industrial expansion of the national economy.

ur answer well be A) few agricultural resources