Why does Kambili's mother keep returning to her husband, even after he beats her? How does she justify her husband's behavior? How should she be judged for what she does at the end of the novel?

Though the abuse worsens over time, she refuses to leave. She thinks it's more important to keep the family intact than worry for her safety.Ultimately, she realizes she must protect her children and poisons her husband. Mother feels that her husband has good intentions at heart. I think she had every right to poison her husband to protect herself and her children.