Which 20th century u. s. president is credited with establishing the national forest and park system in order to better manage american resources and wilderness areas? a) jimmy carter b) harry s truman c) george w. bush d) theodore roosevelt

D) Teddy Roosevelt.

Explanation:

Geroge W Bush is incorrect because he is a president during the 21st century, not the 20th century.

Teddy Roosevelt was a 20th century president who established the national forest and park system. This was part of Teddy Roosevelt's domestic program known as the Square Deal. One of the Square Deal elements was the conservation of natural resources, as he was concerned about the rapid use of natural resources by businesses during this era.

c

explanation:

i am pretty sure hopefully just you