More than likely, what type of people were held captive for slave labor at the Ducros Plantation?
Ducros Plantation: The Ducros Plantation (a.k.a. Old Jackson Plantation or Polmer Plantation) is a Southern plantation located in Schriever, Louisiana. Plantations in the American South:  The mild subtropical climate, plentiful rainfall, and fertile soils of the American Southeast allowed large plantations to flourish; where large numbers of workers, usually Africans held captive for slave labor, were required for agricultural production.
Africans