Final answer:
Beneatha does not want to marry George Murchison because their values clash; she seeks a partner who respects her identity and dreams, qualities she finds in her interactions with another character, Asagai.
Step-by-step explanation:
Beneatha's hesitance to marry George Murchison in A Raisin in the Sun stems from their differing worldviews and values. While George is wealthy, educated, and confident, he does not appreciate Beneatha's desire to discover her identity and pursue her dreams, particularly her interest in her African heritage. Beneatha feels angry and defensive around him, suggesting that their relationship lacks the depth and understanding that she seeks.
In contrast, her interactions with Asagai, a Nigerian suitor, allow her to explore and affirm her cultural identity. Through the characters' interactions, playwright Lorraine Hansberry highlights the importance of compatibility, mutual respect, and shared dreams in a relationship.