《资治通鉴·汉纪·汉纪五十四》
袁术渡过淮河，逃到淮北。当时旱灾很重，土地荒芜，百姓饥寒交迫，袁术从此便没落下。
术走渡淮，时天旱岁荒，士民冻馁，术由是遂衰。
Yuan Shu crossed the Huai River and fled to Huaibei. At the time, there was severe drought, the land was barren, and the people suffered from hunger and cold. Yuan Shu never recovered from this.
<s>[INST] Kindly elucidate the central themes in this passage in English: 术走渡淮，时天旱岁荒，士民冻馁，术由是遂衰。 [/INST] Yuan Shu crossed the Huai River and fled to Huaibei. At the time, there was severe drought, the land was barren, and the people suffered from hunger and cold. Yuan Shu never recovered from this.</s>
Kindly elucidate the central themes in this passage in English: 术走渡淮，时天旱岁荒，士民冻馁，术由是遂衰。
user
Yuan Shu crossed the Huai River and fled to Huaibei. At the time, there was severe drought, the land was barren, and the people suffered from hunger and cold. Yuan Shu never recovered from this.
assistant