The decline of the Deep South between the Civil War and 1890 was caused by a combination of factors, including economic, social, and political changes. However, there were some reasons that were not responsible for the decline of the region during this period.
One reason that was not responsible for the decline of the Deep South was the lack of natural resources. The region was rich in natural resources such as cotton, timber, and minerals, which contributed to its economic growth before the Civil War. However, after the war, these resources were still abundant, but other factors such as labor shortages and changes in the global economy had a greater impact on the region's decline.
Another reason that was not responsible for the decline of the Deep South was a lack of infrastructure. The region had an extensive network of railroads and waterways that facilitated trade and commerce before the Civil War. However, after the war, these transportation systems were damaged or destroyed, but this was not a major factor in the region's decline. Instead, other factors such as labor shortages and competition from other regions had a greater impact on the region's economy.