character: Alexander Graham Bell
topic: Advocacy for the deaf and blind
grade: 2
subject: History
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character: Helen Keller
topic: Advocacy for the blind and deaf
grade: 2
subject: History
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character: Thomas Edison
topic: Inventions for communication
grade: 2
subject: History
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character: Louis Braille
topic: Tools for the blind
grade: 2
subject: History
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