The discussion of Locke's books is intended primarily to A. argue that Porte's book depended upon Locke's pioneering scholarship B. highlight an important way in which Porter's work differed from previous work in his field C. suggest an explanation for why Porter's book was little known outside academic circles D. support the claim that Porter was not the first to notice African influences in African-American art E. argue that Locke's example was a major influence o Porter's decision to publish his findings