《北齐书·列传·卷二十五》
大军将要返回山东，行至晋州，忽遇寒雨，士兵饥寒，以致有死的人。
大军将还山东，行达晋州，忽值寒雨，士卒饥冻，至有死者。
The main force was about to return to Shandong, but when it reached Jinzhou, it suddenly encountered freezing rain, and the soldiers were starving and freezing, causing many to die.
<s>[INST] Kindly elucidate the central themes in this passage in English: 大军将还山东，行达晋州，忽值寒雨，士卒饥冻，至有死者。 [/INST] The main force was about to return to Shandong, but when it reached Jinzhou, it suddenly encountered freezing rain, and the soldiers were starving and freezing, causing many to die.</s>
Kindly elucidate the central themes in this passage in English: 大军将还山东，行达晋州，忽值寒雨，士卒饥冻，至有死者。
user
The main force was about to return to Shandong, but when it reached Jinzhou, it suddenly encountered freezing rain, and the soldiers were starving and freezing, causing many to die.
assistant