In what ways are the central characters/narrators in Hurston’s and Staples’s essays impacted by “vertical” power and authority?

Critical Essay Prompt
In the essay “Scratchingthe Surface: Some Notes on Barriers to Women and Loving,” Audre Lordeidentifies “the vertical lines of power or authority” (32). Drawing fromLorde’s argument, what does she mean by this statement? How are “the verticallines of power or authority” portrayed the short story, “Sweat,” by ZoraNeale Hurston and the essay, “Black Men in Public Spaces,” by Brent Staples?In what ways are the central characters/narrators in Hurston’s andStaples’s essays impacted by “vertical” power and authority?