What is the focus of "in another country "?

It focuses on the alienation one feels when he is in a different environment as well the feelings that he can’t express regarding an incident where something happened. Nick is also trying to find himself in this new situation where people get hurt or get killed. He identifies himself more with the major and the boy because they do not talk much about their wounds and their medals. He also shares the same cynical view that the treatments will make things better.