Why is Walter compared to Prometheus in A Raisin in the Sun?

Walter is compared to Prometheus in "A Raisin in the Sun" because both characters embody the struggle for personal aspiration and the pursuit of a better future. Just as Prometheus defied the gods to bring fire and enlightenment to humanity, Walter seeks to uplift his family and secure their dreams through his ambitious plans. However, like Prometheus, Walter faces significant obstacles and sacrifices, highlighting the themes of aspiration, suffering, and the consequences of striving for a better life. This comparison underscores his role as a tragic hero in the pursuit of his family's dignity and dreams.