What effect did the denmark vesey plot have on sectionalism in the united states? a) laws were enacted in the aftermath of the plot to make it harder to free slaves, increasing sectionalism. b) once the plot was discovered, tension concerning slave revolts eased, decreasing sectionalism. c) laws were put in place to make slavery less oppressive and reduced the risk of rebellion, decreasing sectionalism. d) the plot inspired whites in the area to slaves escape to freedom, increasing sectionalism within the south.