The Call of the Wild | Compare and Contrast
1900s: Americans recognize the need for conserving or protecting the environment. The U.S. government begins forest preservation efforts in 1891. In 1892 John Muir founded the Sierra Club.
1903 President Theodore Roosevelt created the National Wildlife Refuge System.
Today: The Sierra Club still exists and is a major force in the environmentalist movement. Business and environmentalists clash frequently over America's natural resources and endangered species.
1900s: Indigenous to the area, wolves inhabit most of the northwestern United States, Canada,...
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