《明史·志·卷六十七》
往后十多年，依从南直巡按御史颜思忠的意见，分淮安大营士兵六百人镇守廖角嘴。
后十余年，从南直巡按御史颜思忠言，分淮安大营兵六百守廖角嘴。
More than ten years later, on the advice of Yan Sizhong, former imperial censor of Southern Jiangsu, six hundred soldiers from the Huai’an battalion were assigned to defend the Liaojiao point.
<s>[INST] Identify the key themes in this Classical Chinese text and explain them in English: 后十余年，从南直巡按御史颜思忠言，分淮安大营兵六百守廖角嘴。 [/INST] More than ten years later, on the advice of Yan Sizhong, former imperial censor of Southern Jiangsu, six hundred soldiers from the Huai’an battalion were assigned to defend the Liaojiao point.</s>
Identify the key themes in this Classical Chinese text and explain them in English: 后十余年，从南直巡按御史颜思忠言，分淮安大营兵六百守廖角嘴。
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More than ten years later, on the advice of Yan Sizhong, former imperial censor of Southern Jiangsu, six hundred soldiers from the Huai’an battalion were assigned to defend the Liaojiao point.
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