The author is trying to establish the point that the food provided to the soldiers was of poor quality and in little quantity.
In the text, the author wants to draw attention to how the soldiers were neglected and fed in a precarious, unhealthy, and insufficient way, not being possible to compare it with food for humans.
This kind of food left the soldiers hungry and weak, preventing them from being able to fulfill their responsibilities as required.
In this case, the author satirizes food, trying to call attention to a change and showing the dissatisfaction of those who need to eat this way.
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