In F. Scott Fitzgerald's novel "The Great Gatsby," Daisy cries over the "beautiful shirts" that Gatsby shows her, because they represent the material wealth and status that she values so highly.
Throughout the novel, Daisy is portrayed as a character who is obsessed with money and status. She is used to living a life of luxury and privilege, and she is accustomed to being surrounded by beautiful things. When Gatsby shows her his collection of shirts, he is demonstrating his own wealth and success, and he is trying to impress her with his material possessions.
Daisy's tears are a result of her recognition that Gatsby has achieved the same level of wealth and status as she has, and that he has done so through illegal means. She realizes that Gatsby's wealth is the result of his involvement in organized crime, and this realization fills her with a sense of guilt and regret. She understands that Gatsby's wealth and success come at a great cost, and that his pursuit of the American Dream has led him down a dark and dangerous path.
In addition to representing Gatsby's material success, the shirts also represent his love for Daisy. Gatsby has carefully amassed his wealth and status in the hopes of winning Daisy's love, and the shirts are just one example of his attempts to impress her. Daisy's tears may also be a result of her recognition that Gatsby truly loves her, and that his material possessions are simply a means to an end.
Overall, Daisy's tears over the "beautiful shirts" are a poignant reminder of the novel's central themes of wealth, status, and the pursuit of the American Dream. They demonstrate the way in which material possessions can become symbols of success and achievement, and they highlight the emotional toll that the pursuit of wealth and status can take on individuals and society as a whole.