What is the theme of the boy in the striped pajamas?

The theme of "The Boy in the Striped Pyjamas" by John Boyne revolves around the innocence of children, the impact of prejudice and discrimination, and the consequences of blind loyalty. The story is set during World War II and follows the friendship between Bruno, the son of a Nazi commandant, and Shmuel, a Jewish boy held prisoner in a concentration camp. Through the eyes of the children, the novel explores the heartbreaking consequences of hatred and intolerance, the power of human connection and empathy, and the tragedy of war. Ultimately, the theme emphasizes the importance of compassion, understanding, and the recognition of the humanity in all individuals, regardless of their background or circumstances.