Many Historians regard Theodore Roosevelt's greatest achievement as the promotion of the conservation of natural resources. Thus, Option D is the correct statement.
Who was Theodore Roosevelt?
Theodore Roosevelt Jr. became an American politician, statesman, conservationist, naturalist, historian, and creator who served as the 26th President of the United States from 1901 to 1909.
Many Historians regard Theodore Roosevelt's greatest achievement as the promotion of the conservation of natural resources. Thus, Option D is the correct statement.
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