In Chapter 6, explain how facing pages 116 and 117 return to Blake's theme of Africa and America supporting Europe.

"Sale of Pictures and Slaves in the Rotunda" shows the state-sponsored commercialization of slaves. Their humanity is shown by Rembrandt's "Two Negroes" directly opposite. The social structure acceptable and expected of the time is shown by three portraits of elite white persons served by black attendants. Nattier's "Mademoiselle de Clermont", "Princess Rakoscki", and "Charles, Third Duke of Richmond" by other artists of the time confirm the status of Europe relying on Africa and America.