Why does Heidi's aunt begin questioning her when Heidi and Peter reach the hut?

Choose a theme addressed by the writers you have studied in this unit, such as coming of age, the conflict between greed and morality, the horrors of war, the injustice of racism, the excesses of materialism, or the divide between rich and poor. explain the relevance of this theme in today’s world and how it affects you. provide examples to support your position.