Answer:
I believe the three items that belong together are:
Jordan Baker
Daisy's wedding
Gatsby's mansion
Step-by-step explanation:
"The Great Gatsby" is a novel by American author F. Scott Fitzgerald.
At a certain point in the story, the narrator Nick talks to Jordan Baker, a woman who is friends with Nick's cousin, Daisy. Jordan tells Nick that around five years before, Daisy met a young officer named Gatsby, and they fell in love. Gatsby left for the war, and Daisy, due to her position in life and expectations from her family, ended up getting engaged to Tom Buchanan.
Before her wedding, however, Daisy remembers how she felt about Gatsby and almost calls it all off. She changes her mind, and marries Tom. Five years later, Gatsby reappears. He is now a millionaire and lives in mansion chosen precisely because it is located across the bay from Daisy's house.
As we can see, there is connection between the three elements "Jordan Baker", "Daisy's wedding," and "Gatsby's mansion". Wolfsheim is Gatsby's business partner, so to speak, but he does not directly connected to the other items here.