《资治通鉴·汉纪·汉纪八》
当初，吴、楚七国叛乱，吴王的使者到达淮南国，淮南王想发兵响应吴王。
初，吴、楚七国反，吴使者至淮南，淮南王欲发兵应之。
Originally, the seven states of Wu and Chu rebelled, the envoy of Wu Wang arrived at the state of Huainan, the King of Huainan wanted to send out troops to support the King of Wu.
<s>[INST] Kindly elucidate the central themes in this passage in English: 初，吴、楚七国反，吴使者至淮南，淮南王欲发兵应之。 [/INST] Originally, the seven states of Wu and Chu rebelled, the envoy of Wu Wang arrived at the state of Huainan, the King of Huainan wanted to send out troops to support the King of Wu.</s>
Kindly elucidate the central themes in this passage in English: 初，吴、楚七国反，吴使者至淮南，淮南王欲发兵应之。
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Originally, the seven states of Wu and Chu rebelled, the envoy of Wu Wang arrived at the state of Huainan, the King of Huainan wanted to send out troops to support the King of Wu.
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