character: Rachel Carson
topic: Impact of 'Silent Spring' on Environmental Legislation
grade: 11
subject: Science
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character: United States Congress
topic: Legislative response to pesticide regulation after 'Silent Spring'
grade: 11
subject: Science
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character: EPA (Environmental Protection Agency)
topic: Creation and regulatory changes following 'Silent Spring'
grade: 11
subject: Science
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character: Environmental Activists
topic: Role of activists in legislative changes post-'Silent Spring'
grade: 11
subject: Science
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