The US film industry is more open to Black themes and participation than in the past, but still has not answered the question of what kind of society it will project, said Maryann Erigha, a professor of sociology and African American Studies at the University of Georgia, and author of the new book, “The Hollywood Jim Crow: Racial Politics of the Movie Industry.” “Is it a sanitized whiteness, is it a whitewashed vision, or can we have this unapologetic Blackness, and that just be part of the American cultural canon?”