What request does Gatsby make of Nick, through Jordan?
You are citing an incident that occurs in chapter 4. Gatsby understands and knows that Nick is related to Daisy, Gatsby's one true love from his early years, rather, five years ago. Of Jordan, Gatsby requests that Nick host a tea party for Daisy.
Maybe part of the purpose of this particular invitation is to ensure that Tom thinks the meeting completely harmless. The idea is indeed a surprise to Daisy. The complete purpose is for Gatsby to have a meeting or a contact with Daisy... maybe even on the neutral ground of Nick's home.
I think Gatsby uses Jordan to get this done because he is assuming there is more to Jordan and Nick than we ever see transpire within the novel. I find this insightful because I think Gatsby wants more in a relationship with Daisy than Jordan and Nick experience together. Keep watching to see how Daisy and Gatsby turn out.
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