Answer:
This contrast revealed that Mrs. Schachter becomes an impediment to the prisoners' attempts to remain hopeful.
Step-by-step explanation:
While they were going in the car train Mrs. Schachter was not as positive and hopeful as the others on board, since she had seen in her vision flames of fire coming from a crematory and even when some people tough she had lost her mind other believed her, and later on their way they tragically saw that her words were not caused by madness, they were prophetic words or the horrors to live.