A Campfire story setting gives a shade of uncertainty, uneasiness, mystery, and insecurance to the characters in a story and is why many tropes have spooky campfire stories at night. It is important to the plot of the story because it will blend this uneasiness and suspense to the actual story and what is occurring.
By depicting the crime and poverty that exist in Johannesburg, Paton communicates the idea that the city is a dangerous and corrupt place.
B irony or c sarcasm not sure
By, at, through, up, with, inside, underneath, of, after, for
Wonderful, exhilarating, extraordinary, divine, ethereal,