The core question investigated is whether the institution of slavery is economically detrimental to the non-slaveholding white population of the American South. Hinton Rowan Helper, a Southern-born critic of the plantation system, utilizes statistical analysis and comparative economic data to argue that slavery stifles industrial development, suppresses wages, and concentrates wealth in the hands of a small aristocratic minority. His framework posits that the prosperity of the South is fundamentally hindered by its reliance on forced labor, which he contends prevents the region from achieving the economic modernization seen in the Northern states.

Historians identify this work as a significant political document that intensified sectional tensions leading up to the American Civil War. Readers frequently note the polemical and aggressive tone of the prose, which reflects the high-stakes political climate of the mid-19th century.