Answer:
Because it makes clutter in the hallways. It gives people the chance to skip their next class. fights breakout in the hallways.
I do not know the answer because you never told me anything other than " I need them answer by tomorrow."
Is there a question you needed help with?
One of the themes is that the author want his readers to know that there is more to life then we can see, or that a building/ strengthening a friendship is worth more than any treasure. Another one is like don't judge a book by its cover in this case the author is trying to point out when gandalf said that biblo is more than what meets the eye and thorin and co. underestimated him. Until he found the ring. Sorry if this is spoiling the book to anyone. Hope this helps! Have a great day!