The prefix in the word 'impartial', meaning 'unbiased', is im-. Without that prefix, partial means biased. Im- is a prefix that gives a word its opposite meaning.
I believe so because Gatsby was a wealthy man who was poor at first and worked his way to become rich and the woman he loved was also rich and had a high class. The poorer people were lower class in the book/movie as well
The answer for your question is her.
