Answer:
B.Theodore Roosevelt
Explanation:
Theodore Roosevelt was the United States president from 1901 and created the United States Forestry Service using his authority.
He facilitated the establishment of 150 national forests, 4 national game reserves, 5 national parks, and 51 Federal Bird Reserves.
This was possible because of the American Antiquities Act that supports establishment of national monuments like Petrified Forest and Lassen Volcanic National park.
Theodore Roosevelt helped protect 230 million acres, 150 million of which were used to establish National Parks
