Final answer:
Peter and Anne's relationship in the play matures from strained to supportive, as they share deep conversations and experiences, signifying their growth amidst difficult WWII circumstances.
Step-by-step explanation:
The relationship between Peter and Anne in the play The Diary of Anne Frank evolves significantly over the course of the story. Initially, their interactions are somewhat strained and adolescent, marked by petty disagreements and misunderstandings. However, as the narrative progresses, the two characters begin to find solace and understanding in each other amidst the stressful conditions of their hiding during WWII.
Peter and Anne's conversations mature, touching on deeper subjects like Anne's nightmares, the celebration of Hanukkah, and the sharing of gifts which symbolize the growth of their companionship and mutual respect. They both experience a coming-of-age journey under harrowing circumstances, which alters their outlook on life and their bond as they transition from childhood to adulthood. Through these exchanges and shared experiences, Peter and Anne develop a nuanced and caring relationship.