What was the commotion that Bruno haerd in his house in the book the boy in the striped pajamas?

In "The Boy in the Striped Pajamas," Bruno hears a commotion in his house that indicates his family's distress over his father's job and the ongoing war. This noise includes raised voices and a sense of urgency, signaling a significant and troubling event related to his father's position as a Nazi officer. Bruno's innocent perspective highlights his confusion and lack of understanding about the gravity of the situation unfolding around him.