What is a significant lesson that Esperanza learns through Rosa Vargas' life?

Esperanza learns a significant lesson about the struggles of a poor, uneducated single parent through Rosa Vargas’ life. Rosa Vargas embodies the challenges faced by many single mothers who are burdened with the responsibility of raising children without sufficient resources. Her experiences highlight the lack of support and stability that poverty introduces into family life, particularly for those who are uneducated and struggling to make ends meet.

Esperanza observes how Rosa's situation affects not only her but also her children, showcasing the cycle of hardship and the emotional toll it takes on families. This lesson is crucial for Esperanza as it shapes her understanding of the socio-economic issues surrounding her community and influences her aspirations for her own life. By recognizing Rosa’s struggles, Esperanza gains insight into the resilience required to overcome such adversities and the impact of environment and circumstance on one's ability to thrive.