According to “Camping with the President,” the experience of camping with John Muir was what made President Theodore Roosevelt more naturalistic.
In this way we can say that option D is the correct answer.
"Camping with the President" introduces us to the moment when:
The experience affected not only Roosevelt's view of nature, but it also affected his policy towards national environmental resources.
You can have more information about this at the link below:
https://brainly.com/question/7784896?referrer=searchResults