Answer:
She´s happy about the sudden possibility to have a new life as a free woman because she believes she has just become a widow.
Step-by-step explanation:
In Kate Chopin´s short story "The Story of an Hour," Louise Mallard is told that her husband, whom she shares an unhappy marriage with, has died. Despite the initial appearance of grieving, she locks herself alone in her room, and looking through the window, she reflects on the consequent possibility of having a new life as a free woman. Sadly, this joy only lasts an hour, as her husband shows up unscratched having not being involved in the train accident that had allegedly killed him