Answer:
I would say c makes the most sense
it shows . they have some of the same cultures
Can be read in one sitting
deals with a single problem
develops both main and minor characters
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Hope this helps!
Though i can’t write your paragraph for you, i recommend searching up a website that has a summary of the great gatsby and use that for your textual evidence. as for your definition of greatness, i can’t answer that for you because it’s up to interpretation, but if you need any more help, let me know!