Northerners claimed that the existence of white trash was the result of the system of slavery in the South, while Southerners worried that these clearly inferior whites would upset the "natural" class system which held that all whites were superior to all other races, especially blacks. People of both regions expressed concern that if the number of white trash people increased significantly, they would threaten the Jeffersonian ideal of a population of educated white freemen as the basis of a robust American democracy.