西奥多·罗斯福在任期间制定了一系列环境保护主义政策,开创了由国家保护自然资源的先河。而罗斯福本人采取的措施也成为国家干预的先河,奠定了现代美国可持续发展的基础。 During his tenure, Theodore Roosevelt formulated a series of environmentalist policies that set a precedent for the protection of natural resources by the state. The measures that Roosevelt himself took have also become the precedent for state intervention and laid the foundation for the sustainable development of the modern United States.