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The Grand Canal演讲人：杨某某

PPT制作：陈某某

资料收集：胡某某，张某某，李某某，肖盛某某

01.Brief introduction02.Reason03.Advantages and disadvantagesBrief introduction01.PARTWith a total length of 2,700 kilometers, spanning more than 10 latitudes of the earth,spanning 8 provinces and municipalities directly under the central government of Beijing, Tianjin, Hebei,Shandong, Henan, Anhui, Jiangsu and Zhejiang, running through the Great Plain of North China, reaching the five major river systems of Haihe, Yellow River, Huaihe River, Yangtze River and Qiantang River, it is the main artery of north-south communication in ancient China, and the history of the Grand Canal has lasted for more than 2,500 years by 2020.Reason02.PARTJust to build the Grand Canal, Emperor Yang of the Sui Dynasty recruited 3.6 million migrant workers. In order to ensure the rapid completion of the project, Emperor Yang of the Sui Dynasty was eager to urge the following officials to speed up the process of the project, so that the death toll of migrant workers in the canal reached 250000 under heavy labor and disease.Crime in the contemporary eraMeritorious in the long runNow, it starts from the Liangji Canal in Shandong Province in the north and ends at the Jiangnan Canal in Zhejiang Province in the south. The whole route is about 980 kilometers long and can b 内容过长，仅展示头部和尾部部分文字预览，全文请查看图片预览。 ion;

2. Emperor Yang of the Sui Dynasty was happy to travel, enjoy, and spend money continuously. His later period was devoid of political affairs, which finally led to the peasants' uprising in the late Sui Dynasty and ended the Sui Dynasty.Disadvantages

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