Book Reports / The Conditions of the Concentration Camps; Setting - Elie Wiesel's Night help [2]

I just finished reading Night by Elie Wiesel. We were told to write a four-paragraph critical analysis on a literary term and prompt pertaining to the book. My prompt is: The Conditions of the Concentration Camps.. my literacy term is: Setting. These go hand in hand to make it a little easier on me. Anyway, I have the introduction, and the first and second body paragraphs finished. All I need to write now is the conclusion. Can anyone help me with this as I am not to strong when writing a conclusion.. I tend to just run-on and not get a point across. (Not asking to write it for me, just looking for pointers so I don't royally screw myself over on this end-term grade.)

Thanks in advance!

P.S. I have to use a specific sentence pattern somewhere in the paragraph.
The pattern: Compound Sentence with Explanatory Statement.
Example: Darwin's Origin of Species forcibly states a harsh truth: only the fittest survive.
I have to use that sentence pattern somewhere in there so any help with that would be great :).