In fact, the economy section simply consists of paragraphs of praise and encomium, leaving the issue of the 19th century's weakness unaddressed. The section should mention the Yellow River floods, their natural and man-induced causes, the effects of the revolts on the fertile Yangtze valley, and the introduction of the likin internal tariff. A number of sources on railroads also mention that loan terms and wasteful foreign management of railroadswhose foreign denomination could prove beneficial as well as harmfulwas largely offset by improved Chinese banking and management. See, i.a., Huenemann, Ralph Wm. The Dragon and the Iron Horse: the Economics of Railroads in China, 1876–1937.