Hi,
Answer: The friendship between Bruno and Shmuel.
My work: This Conflict is Bruno parent is a comander of the Nazi’s while Shmuel is a Jewish slave. This changes him Bruno because he has a real friendship with Shmuel in which he can’t because of of Shmuel being a slave for being Jewish.
I Hope I Helped!
Answer:
The guard was carrying a gun, in case one of the prisoners would try to escape.
<em>hope it helps</em>
Though I'm not entirely certain, I'm pretty sure your answers are correct.