What happens in the 5th chapter of the boy in the striped pygamas?

In the fifth chapter of "The Boy in the Striped Pajamas," Bruno's family prepares to leave their home in Berlin due to his father's new job. Bruno is upset about the move and expresses his displeasure, reminiscing about his friends and life in the city. His mother tries to comfort him, but the tension in the household is palpable, hinting at the underlying issues related to his father's role in the Nazi regime. This chapter sets the stage for Bruno's new life and the stark realities he will soon confront.