His skills led negotiations to end the Russo-Japanese War in 1904-05. He also reached an agreement with Japan that traded allowed U.S. presence in the Philippines. His ability to negotiate made the world safer by preventing war. TR never started a war.
Roosevelt also used his executive power to further for conservationism as he was a naturalist. He took federally-owned land and created nature preserves known as the National Park System. Thus he preserved the land for future generations to enjoy. "We have become great because of the lavish use of our resources and we have just reason to be proud of our growth. But the time has come to inquire seriously what will happen when our forests are gone, when the coal, the iron, the oil and the gas are exhausted, when the soils have been still further impoverished and washed into the streams, polluting the rivers, denuding the fields, and obstructing navigation. These questions do not relate only to the next century or to the next generation. It is time for us now as a nation to exercise the same reasonable foresight in dealing with our great natural resources that would be shown by any prudent man in conserving and widely using the property which contains the assurance of well-being for himself and his children." He created 150 National Forests, 5 National Parks, 18 National Monuments, 4 National Game Preserves, 21 Reclamation Projects, and 51 Federal Bird Reservations. .
TR gave to society financially too. "He was a pioneer of a new class in America: committed and essentially full-time philanthropists" . TR related to the circumstances of the society during his life but he also gave to future generations because of his insights both in domestic policies and foreign policies. TR was a philanthropist like Carnegie.
How Jane Addams (9/6/1860-5/21/1935) related to the circumstances of society during her life. "Her large vision," writes Knight, "was to create a place that would nurture universal and democratic fellowship among peoples of all classes.