The essence of Gatsby's materialistic dream is that he is still infatuated with Daisy and needs her to finish his fantasy and he needs to be acknowledged in the "old cash" bunch. I hope the answer will help you. Feel free to ask more in brainly.
well, bystander effect is when the presence of others discourages an individual from intervening in an emergency situation, or somthin similar, so the last choice i would say