Baldwin's quotation from "Congo Square" is used primarily in order to illuminate what aspect of 1930's America? A. the culture of power that Baldwin mistrusted B. the fact that Hollywood movies were primarily optimistic and centered on white culture C. the idea that America was hungry for a writer such as Baldwin, because its films focused only on white America D. the alienating effect of films of the era on black children E. the concept that children are incapable of deriving any educational value from films they can't relate to