<em>A Raisin in the Sun </em>is a story that discusses the importance of family and how they should bond against external forces that tries to divide them.
It is about collective family strength even though each individual is different.
The book focuses on the Younger family who has a conservative mother that is head of the family and ruling the pack single-handedly.
The character that best represents the theme of achieving success in a conventional way is Beneatha Younger who is a young intellectual that is more educated than the rest of the Younger family. She has a dream of becoming a doctor and wants to get her identity as a well-educated and successful black woman.
Refusing to acknowledge something unpleasant is a way of coping with that thing. Saying something that’s unpleasant isn’t unpleasant or there, convinces them that it might make it actually go away,