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____ started warning about the dangers of pesticides in 1962.
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George Pullman
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____ received the Nobel Peace Prize in 1964.
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Hillary Clinton
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____ sung at the Lincoln Memorial on Easter 1939.
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John Deere
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____ invented the first commercial steel plow in 1837.
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M.L. King Jr.
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____ began building railroad sleeping cars in 1865.
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Marian Anderson
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Elizabeth Cady Stanton and ____ promoted women's suffrage.
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Milton Bradley
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____ was U.S. Secretary of State (2009-2013).
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Rachel Carson
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____ began selling "The Checkered Game of Life" in 1860.
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Susan B. Anthony
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