Answer:
??
Explanation:
<u><em>She</em> </u>traced <em><u>her</u></em> ancestry back to the original president of the college, which <em><u>her</u></em> roommate thought was unfair.
I think it is an idiom but I might be wrong
The mood of that line definitely is frustrated.
Hope this helps. :)
If you are looking for the word that this definition goes to I believe it would be expert
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Pros - more competition; more activities; more tolerance for different lifestyles
cons - crime, over-populated, impersonal, fast-pace/hustle