19世纪后期,美国的中西部成为城市化和工业化的热点地区。芝加哥以其自身优势在这一时期脱颖而出。它的兴起一方面改变了中西部原始的农业开发模式,扩大了中西部开发的广度和深度;另一方面通过城市体系的整体性作用,将中西部区域经济与全国经济纳入同一轨 In the late 19th century, the Midwestern United States became a hot spot for urbanization and industrialization. Chicago is at its best in this period to stand out. On the one hand, its rise has changed the primitive mode of agricultural development in the central and western regions and expanded the breadth and depth of the development in the central and western regions. On the other hand, through integrating the urban system, integrating the economy in the central and western regions with the national economy on the same track