O‘Brien manipulates setting in the chapter ‘Sweetheart of Song Tra Bong‘ in order to explore the topic of obligations in as different way than he could using the common setting of the book. O‘Brien focuses on obligations being hard for soldiers to uphold during the war as they are suddenly forced to change their life while fighting in the war. He does this by setting the story that takes place in this chapter in a very remote place which does not have much supervision and is also not directly involved in fighting in the war. Due to this, the soldiers have a very different attitude towards the war which does not resemble the usual mood that is present in the rest of the book. The soldiers are playing volleyball all day and they have much less work to do that what the general expectation would be. They also don‘t nearly as much about dieting due to the war or about being attacked as they are in a position were they do not have to go and fight every day. This is described on page 88 of ‘The Things They Carried‘ where the wrote: “There was plenty of cold beer, three hot meals a day, a tin roof aver his head. … You could let your hair grow … and you didn‘t have to polish your boots or snap off salutes or put up with the usual rear–echelon nonsense.” In comparison, with the rest of the book this chapter allows for the story to show a different side of the soldiers that is usually as they normally have to follow strict rules. By having this setting O‘Brien shows the reader that the soldiers don‘t always have a great attitude towards the war and that they are not always motivated to keep up with the regulations. The characters in this story also show that the soldiers often want to have normality in their life which may seem like noting special to ups but is very rare for them. The chapter shows that the obligations that the soldiers have been often hard for them to uphold as they are not used to living in these circumstances. The unique setting also highlights the fact that the soldiers who are fighting in this war are mostly peopled who are not used to being in war and are used to the things we would consider normal. Due to this it is difficult for them to change their life to such a large extent. This can be seen especially well in this chapter as they are trying to get closer to what they are used to having by playing volleyball, eating 3 hot meals and not wearing all of their equipment throughout the day.