Original sentence: Since the production's hierarchy was inherently racist, Welles faced some difficulties in asserting authority his at first; the black cast and crew were "not accustomed to being bossed around by preppy young whites"
Edited sentence: Since the production's hierarchy was inherently racist, Welles also faced some difficulties in asserting authority with the black cast and crew, who were "not accustomed to being bossed around by preppy young whites"