Answer:
O'Brien remembers Jensen's song concerning the death of Curt Lemon. It is because it helped him to cope with the death of his friend. The memory of Curt Lemon's death is significant as it keeps O'Brien awake.
Step-by-step explanation:
"The Things They Carried" is a historical fiction written by Tim O'Brien. The story tells the effects of war on the lives of soldiers, centralizing on the Vietnam war, fought by the author.
In "How To Tell a True War Story," O'Brien writes about the death of his friend, Curt Lemon. He beautifies the scene of Lemon's death by connecting it with the sunlight that sucked him up on the tree. O'Brien writes that he remembers Jensen's song concerning the death of Curt Lemon because it wakes him up, giving him horrible visions. The memory of Lemon's death is significant as it describes the effects that deaths have on soldiers. Also, it is significant as it keeps O'Brien awake.