Hansberry was inspired by this line because it spoke to the experience of African Americans in the United States. She felt that the poem captured the way that discrimination and racism could crush the dreams of African Americans and leave them feeling like "raisins in the sun."
The title of the play also reflects the theme of hope. Despite the challenges they face, the characters in the play never give up hope for a better future. They believe that they deserve to have their dreams come true, even if it means fighting against the odds.
The title "A Raisin in the Sun" is a powerful and evocative reminder of the struggles and hopes of African Americans in the United States. It is a title that has resonated with audiences for generations and continues to inspire people to fight for their dreams.