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What Was the Notre Dame Fire?
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Why Would You Take a Canary Into a Coal Mine?
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What Was the Great Molasses Flood?
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Who Was the Black Samurai?
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What Happened to Mohenjo Daro?
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Who Was Mother Teresa?
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What Does It Mean to Be an Ally?
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Where Is Malaysia Airlines Flight 370?
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Who Was Leonidas?
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What Caused the Hong Kong Protests?
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Who Was Ruth Bader Ginsburg?
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What Is a Decade?
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Who Was John Lewis?
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What Was the Neo-Babylonian Empire?
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Who Was Muhammad Ali?
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What Was Sherman's March to the Sea?
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Who Was Wangari Maathai?
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Did Stonehenge Have Neighbors?
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When Did Humans Start Banking?
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What Were the Intolerable Acts?
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