character: Theodore Roosevelt
topic: National Parks and Conservation Efforts
grade: 8
subject: Economics
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character: John Muir
topic: Advocacy for National Parks
grade: 8
subject: Economics
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character: Gifford Pinchot
topic: Forest Conservation Initiatives
grade: 8
subject: Economics
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character: William Howard Taft
topic: Continuation of Conservation Policies
grade: 8
subject: Economics
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