Homes on East Egg are wealthy from long lines of generations (a son will inherit his father's fortune), whilst homes on West Egg are people who built up their fortunes (ex. people who gain money from working in industries).
Answer: I do not know if this is a multiple choice question or not, but I would contend that the blue flower is a reference to Neruda's country, Chile.
Explanation: The color blue is part of the flag of Chile. It symbolises, in part, the Pacific Ocean, and I believe that in these lines of his famous poem, the Chilean poet Pablo Neruda was referring to his beloved country, which he had had to abandon due to his political views. He is telling his lover that he wants her laughter like the flower he was waiting for, "the blue flower, the rose of my echoing country." He cannot have his country, but his lover's laughter will bring him the comfort that he needs in these difficult days away from his homeland.
Change happen to happened because it is past tense
Craters of the moon national monument and preserves is in idaho it is home to lava flows and cinder cones