It's because Bruno's father has a soft, caring side, albeit a small one) he only shows to HIS children. His father is a mean, ruthless man after all he is a high ranking Nazi soldier loyal first to the Reich!
Nazi German families like his own are considered far superior, and with this line of thinking in his mind, it would be easy to treat one race with love and respect and the other with hatred and cruelty.
Learn more about Nazi officer below:
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