The economic growth of the South relied primarily on the export of goods to: D. Europe
An economic growth can be defined as a microeconomic concept which describes an increase in the amount of economic goods and services produced per head of a country's population over a specific period of time.
Hence, an economic growth typically measures the rate at which a nation's wealth increases over a specific period of time.
Basically, an economic growth leads to a significant increase (rise) in a country's real national income.
According to the famous historian, Albert E. Cowdrey, in his literary work titled, "This Land, This South: An Environmental History (1983)"; the export of the following goods to Europe by the South of America was instrumental to her economic growth:
In conclusion, the economic growth of the South was highly dependent on the export of goods to Europe.