What significant action did Duane Jr's mother take?

Duane Jr's mother took the significant action of leaving the family for Paris. This choice underscores a major life change that impacts not only her own life but also Duane Jr's experiences and relationships. Leaving for another city, especially one as notable as Paris, suggests a desire for independence or personal growth, reflecting deeper emotional and situational themes in the narrative. The choice signifies a departure from family responsibilities, indicating a significant shift in the family dynamic, which can have profound effects on all family members and shape Duane Jr's character development in the story. The other options do not capture this crucial aspect of transformation and separation that leaving for Paris entails.