John muir was a writer who inspired americans to:

a) appreciate the american wilderness.

b) join labor unions.

c) demand reform in the food industry.

d) fight against child labor.

A. Appreciate the American wilderness.

Explanation:

John Muir was a writer and Americas most famous conservationist and naturalist. Muir has been called as "The Father of America's National Parks," "Wilderness Prophet," and "Citizen of the Universe." He inspired Americas to appreciate the American wilderness and his work inspired President Roosevelt's innovative conservative programs.