Answer: All you have to do is choose a poem or a short story and a historical document to read. Then you simply have to analyse both of them and compare them to each other. I would recommend you to choose both of this to talk about the same this. Just look for som that were from around the same time.
The passage lists a few things which would lend towards the idea of him being a monster. First, it says "god's anger bare he." referring, presumably, to the abrahamic god famous for his wrath, showing that Grendel was exhibiting intense rage. Second, it uses the sentence "The monster intended some one of earthmen in the hall-building grand to entrap and make way with" which, while a written a little backwards by today's grammar rules, says that he is planning to take hold of and kidnap some of the men in the hall, something only a monster could do.<span />
B. teachers, students, academic community
The answer to the question is snow that burns