历史小径·世界史英语30篇（5）
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Batch 0001-012: The Sui Dynasty and the Grand Canal’s Unifying Force
批次0001-012：隋朝与大运河的统合之力
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Between 581 and 618 CE, the Sui Dynasty reunified China after centuries of division.
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Emperor Yang ordered the construction of the Grand Canal to link northern and southern China.
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Over one million laborers dug the 1,700-kilometer waterway using simple tools and immense effort.
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Grain, salt, silk, and troops moved efficiently between the Yellow and Yangtze River basins.
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The canal reduced regional autonomy by enabling central control over food supply and taxation.
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It fostered cultural exchange between north and south, blending dialects, cuisines, and administrative practices.
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Though costly and unpopular at the time, it sustained imperial stability for over a millennium.
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Later dynasties maintained and expanded it, making it the world’s longest artificial waterway.
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Its economic impact rivaled that of the Roman road network in scale and longevity.
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The canal remains navigable today, a testament to ancient Chinese engineering foresight.