The excerpt that describes how people were bought and sold upon their arrival in the Americas is:
“On a signal given, (as the beat of a drum) the buyers…”
This full excerpt would typically discuss the auction process and how enslaved individuals were prepared for sale, often indicating the dehumanizing aspects of the market where their fates were determined by buyers. The other excerpts focus more on the conditions during the Middle Passage rather than the buying and selling process after arrival.