If it was one thing that helped readers to understand 'The Boy in Striped Pyjamas,' it would have to be Bruno's innocence. A child, without question, would view what happens at Auschwitz as wrong. While adults may place rationalization upon justification to it, a child's viewpoint is direct and simple about it. When Pavel gets beaten (and possibly dies) for spilling a drink on Lieutenant Kotler, Bruno questions why no one stood up for him and stopped it. To an adult, they would make up some explanation as to why he was beaten which would be, because Pavel was a servant (possibly a Jew) and he got done to him what he 'deserved'. But to a child, to be beaten for such a simple thing was wrong. If Bruno had done the same thing, the most he could have gotten was a slap on the wrist. But in reality, it was much worse.
Bruno's curiosity is what led him to enter an "Out-of-Bounds and No Exceptions" territory, the fence. This led to Shmuel and their friendship. Because of their friendship, the author can also describe the horrors inside the camp not just as it is living outside. For example, when Shmuel is ordered to polish the glasses, he was caught 'stealing' food and when Shmuel and Bruno met once again, there was evidence that he was beaten as a punishment. If Bruno was never friends with Shmuel, he would never have been able to guess what would be happening in the camp, and the readers could only leave everything up to their imagination. Though Bruno kept his innocence throughout the whole book, even as they were being