6. how is it possible for bruno and shmuel to have fun together and maintain their friendship in the midst…

Brief Explanations:

Despite the harsh circumstances, Bruno and Shmuel find solace in their shared innocence and curiosity. They engage in simple conversations and activities, ignoring the outside - world's cruelty. Their friendship is a form of escape from the reality of the concentration camp. Bruno, being naive about the true nature of the place, sees Shmuel as a friend like any other, and Shmuel finds a rare moment of normalcy with Bruno.

Answer:

They find solace in shared innocence and simple interactions, ignoring the cruel outside - world.