Answer:Roosevelt used his authority to protect wildlife and public lands by creating the United States Forest Service
Explanation: Conservation increasingly became one of Roosevelt's main concerns. After becoming president in 1901, Roosevelt used his authority to protect wildlife and public lands by creating the United States Forest Service (USFS) and establishing 150 national forests, 51 federal bird reserves, 4 national game preserves, 5 national parks, and 18 national monuments by enabling the 1906 American Antiquities Act. During his presidency,Theodore Roosevelt protected approximately 230 million acres of public land Hope it helps:)
<span>In 1944 delegates from 39
nations met in the city of Dumbarton
Oaks estate in Washington D.C. to discuss a new organization called the United Nations. This organization would
have a general assembly of member
nations and also a security council of
eleven members.</span>