Final answer:
Hemingway's description of the town as unchanged emphasizes Krebs' personal change.
Step-by-step explanation:
Ernest Hemingway's description of the town as unchanged in his writing impacts the readers' perception of Krebs by emphasizing that while the town has remained the same, Krebs himself has changed. This suggests that the experiences of war have had a profound effect on Krebs and have set him apart from the familiar and unchanging environment he grew up in.