Final answer:
In 'A Raisin in the Sun', Walter reminds Beneatha of the family's sacrifices to emphasize the importance of her dreams.
Step-by-step explanation:
In the play 'A Raisin in the Sun', Walter reminds Beneatha that the entire family has made many sacrifices for her benefit in order to emphasize the importance of her dreams.
Beneatha's dreams and personality are revealed through her interactions with other characters such as George and Asagai.
When Walter reminds her of the family's sacrifices, it serves as a turning point in their relationship and highlights the conflicts within the family.