19世纪末20世纪初是美国向工业社会迈进的关键阶段,得天独厚的自然资源为美国的工业化步伐加足了马力,而对自然资源的破坏和滥用,引起了人们对发展前景的广泛担忧。西奥多.罗斯福就任总统之后,将环境的保护治理工作摆在首位,展开了一系列卓有成效的工作,为美国在20世纪社会经济持续快速发展奠定了基础。 The beginning of the 19th century and the beginning of the 20th century were the crucial stages in which the United States marched toward an industrial society. Unique natural resources added enough horsepower to the pace of industrialization in the United States. The destruction and abuse of natural resources aroused widespread concern about the development prospects. After becoming president, Theodore Roosevelt put environmental protection and governance in the first place and launched a series of fruitful work which laid the foundation for the sustained and rapid development of the social economy in the 20th century in the United States.