1. It is Beneatha's external conflict.
2. It is Mama's internal conflict.
3. It is Walter's external conflict.
4. It is Ruth's internal conflict.
It is so because, 1) Beneatha was struggling with her real identity.
2) As Mama was the beneficiary of her husband's insurance money, to which she thoughted to spend to buy a house as it was her and Mr. Younger's dream. But Walter was resisting for that money as well.
3) Walter wanted to become a quick rich and to become a self sufficient business owner, through which he will be able to fulfill all his dreams.
4) Ruth's internal conflict was whether to terminate her pregnancy, which later on turned into external conflict as her mother-in-law opposes her this decision.
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