The main topic or problem raised by the author in the novel is the hollowness of the upper class. The Great Gatsby focuses around the lifestyle of the self-made millionaires living in the West Egg as compared to the old aristocracy of the countries richest families living in the East Egg.
"Across the courtesy bay the white palaces of fashionable East Egg glittered along the water"
The residents of the West Egg are portrayed as tasteless, wasteful, extravagant and socially ill mannered. The residents of the East Egg are seen to be elegant, graceful and the opposite to their West Egg neighbours. For example, the Buchanan's own an elegant mansion on the East Egg while Gatsby resides in his giant gothic mansion.
"The one on my right was a colossal affair by any standard - it was a factual imitation of some Hotel de Ville in Normandy, with a tower on one side, spanking new under a thin beard of raw ivy, and a marble swimming pool, and more than 40 acres of lawn and garden"
This extract clearly emphasizes the enormity of Gatsby's mansion, and the fact that it would never be socially accepted if it were built on the East Egg. Gatsby built the house for one reason, to attract the attention of his old flame, Daisy Buchanan. Daisy is the cousin of Nick, the novel's narrator. Gatsby has been in love with Daisy