the tone that the author use is serious yet funny :)))))
I believe what this passage foreshadows is that C. Rome will suffer danger and destruction.
You can see in the excerpt that no good things are happening - there is a fire, and something is burning, and people are afraid - so obviously, it doesn't mean that it is going to prosper or be renewed, when something so terrible is happening. One slave cannot destroy an empire, which is why that is incorrect too.
Actually i am not that good with essays so you can use tha website called booksie
it has various types of essays
it could help you find some ideas
Wilson points out that the apes prowl hopelessly and it is unacceptable.