In A Raisin in the Sun, incredible sacrifices are made for the benefit of the family. Some family members are more willing to shoulder sacrifice than others, however, which leads to conflict. Accepting sacrifice for the benefit of the family is a recurring theme throughout the play, culminating in its final scene.
Ruth and Lena are willing to sacrifice anything except their dignity.
Beneatha does not sacrifice anything for her family, and in fact takes her family’s sacrifices for granted.