I think that the answer to this question would be based off of your opinion because when you write poetry,most times, you are writing about your feelings and the way you express those feelings is different for everyone. Some people may have a harder time putting those feelings into words, while others might not.
Ok so aperently you know nothing of the nazis so to keep m from writng and esssay i'm not going to explian it but a concentration camp is were the nazis used to torture jews and kill them i know a lot more about the nazis than ishould becuase my great great grandad was imprisoned in achwitz and he escaped.
The antagonist, because most of the time the main character is the protagonist.