Which novel describes the economic, political, and settlement of Western Virginia after the American Revolution?

The novel "O Beulah Land," written by a West Virginia author, focuses specifically on the themes surrounding life in Western Virginia during the period following the American Revolution. It captures the challenges of economic development, political struggles, and the settlement processes in that region, providing a rich narrative that reflects the historical context of that time. The author’s detailed portrayal of the characters and their experiences gives readers insight into the societal changes and the pioneering spirit that characterized Western Virginia's early history.

The other options do not focus on Western Virginia after the American Revolution. "Song of the South" is more of a collection of folklore, "Gone with the Wind" is set in the South during the Civil War and Reconstruction, and "The Good Earth" deals primarily with China and the life of a farmer there. Thus, "O Beulah Land" stands out as the work that accurately reflects the specified themes regarding Western Virginia.