Their purpose was to scare people into submission. The sermons would usually be about burning in hell for sins and describing the torture in detail and people would be scared of this and remain puritan in their belief and remain faithful to the church and to god. The most famous one is "Sinners in the Hands of an Angry God" by Jonathan Edwards that is still read by many today.
In mythological stories, details such as this one are never a mere coincidence. Either they foreshadow an event or prepare the mood for such an event. In this story, the fact that the lovers have chosen to meet at the tomb foreshadows their death. Also, it is not just any grave, but the Tomb of Ninus, the well-known and admired founder of Nineveh. It foreshadows the fact that the two tragic lovers will become well-known themselves.
At least post the passage so that people can read it and actually answer your question.
The correct answer is option B "Humans and nature live in a precarious balance". Alan H. Weisman is an American author widely known for his work as journalist. One of his most critically acclaimed works is "The World Without Us", a book where a scenario of the Earth without humans is described. One of the themes in Weisman's works are the balance that human and nature have, he would likely agree that this is a precarious balance.
<span>His own hardships during his frequent visits to prison
This seems most accurate. He didn't really have a lower-class upbringing (to my knowledge) and he didn't entirely befriend lower-class individuals. He did spend quite a bit of time in prison where he wrote anonymous writings.</span>