Which statement best describes the author's argument in this part of the article?
A Eating a poor diet can have harmful effects on people's health.
B Eating healthier foods is not as easy as some might think.
C Children should be required to maintain a healthy diet.
D Eating habits have changed significantly in recent years.

Explanation:

After becoming president in 1901, Roosevelt used his authority to establish 150 national forests, 51 federal bird reserves, four national game preserves, 5 national parks and 18 national monuments on over 230 million acres of public land. To this day, the legacy of Theodore Roosevelt is found across the country.

Explanation: The idea was to conserve forests for continued use. An adamant proponent of utilizing the country's resources, Roosevelt wanted to insure the sustainability of those resources. Roosevelt was also the first president to create a Federal Bird Reserve.