Final answer:
Curley's wife's confession creates sympathy for her character.
Step-by-step explanation:
Curley's wife's confession of her unhappy life and ruined dreams creates sympathy for her character. By sharing her vulnerabilities and the disappointments she has faced in her marriage and life on the ranch, the reader begins to understand the complexities of her character and the challenges she faces. This revelation humanizes her and allows the reader to empathize with her.