The most successful "conservationist" president was Theodore Roosevelt. Roosevelt's primary concerns shifted to include conservation. 230 million acres of public land were safeguarded by Theodore Roosevelt.
What is conservationist ?
A person who actively tries to preserve and stop the destruction of objects, places, biological life, and ecosystems is referred to as a "conservationist."
Theodore Roosevelt found 230 million acres of public lands during his presidency, of which 150 million acres were designated as national forests and expanded into national parks.
As a result, Theodore Roosevelt is great conservationist President.
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