《元史·列传·卷九十六》
阿八赤率万人为前锋，乌马儿、樊楫率兵由海道，经玉山、双门、安邦口，遇交趾船四百余艘，与之交战，斩首四千余级，生擒百余人，夺其舟百艘，便进发交趾。
阿八赤以万人为前锋，乌马儿、樊楫以兵由海道，经玉山、双门、安邦口，遇交趾船四百余艘，击之，斩首四千余级，生擒百余人，夺其舟百艘，遂趋交趾。
Aba Chi led 10,000 as the vanguard, while Wu Maer and Fan Ji led troops by the sea route, passing from Yushan, Shuangmen, and Anbangkou. They met with more than 400 Jiaozhi ships and engaged in a battle with them, beheading more than 4,000 soldiers and capturing more than 100 alive. They seized a hundred ships and then launched an attack on Jiaozhi.
<s>[INST] Kindly elucidate the central themes in this passage in English: 阿八赤以万人为前锋，乌马儿、樊楫以兵由海道，经玉山、双门、安邦口，遇交趾船四百余艘，击之，斩首四千余级，生擒百余人，夺其舟百艘，遂趋交趾。 [/INST] Aba Chi led 10,000 as the vanguard, while Wu Maer and Fan Ji led troops by the sea route, passing from Yushan, Shuangmen, and Anbangkou. They met with more than 400 Jiaozhi ships and engaged in a battle with them, beheading more than 4,000 soldiers and capturing more than 100 alive. They seized a hundred ships and then launched an attack on Jiaozhi.</s>
Kindly elucidate the central themes in this passage in English: 阿八赤以万人为前锋，乌马儿、樊楫以兵由海道，经玉山、双门、安邦口，遇交趾船四百余艘，击之，斩首四千余级，生擒百余人，夺其舟百艘，遂趋交趾。
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Aba Chi led 10,000 as the vanguard, while Wu Maer and Fan Ji led troops by the sea route, passing from Yushan, Shuangmen, and Anbangkou. They met with more than 400 Jiaozhi ships and engaged in a battle with them, beheading more than 4,000 soldiers and capturing more than 100 alive. They seized a hundred ships and then launched an attack on Jiaozhi.
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