西部开发进入 1 9世纪中期以后 ,西欧工业革命的成功所掀起的世界浪潮冲击到美国。它带来的先进技术、有技能的劳动者、工业资本及近代企业管理制度 ,为西部开发创造了千载难逢的历史契机。在这股浪潮的推动下 ,美国完成了从幼年到成年的转变而成为世界强国。 After the western development entered the mid-nineteenth century, the wave of the world triggered by the success of the industrial revolution in western Europe hit the United States. The advanced technology, skilled workers, industrial capital and modern enterprise management system brought by it have created a golden opportunity for the development of the western region. Driven by this wave of tide, the United States has completed its transformation from childhood to adulthood and became a world power.