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Why Do We Have Different Time Zones?
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What Was the Great Depression?
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Why Is Pluto No Longer a Planet?
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What Was the Sit-In Movement?
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What Happened at the Stonewall Inn?
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Where Was Abraham Lincoln Born?
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Who Were the Freedom Riders?
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Where Are the La Brea Tar Pits?
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Why Do We Eat Turkey on Thanksgiving?
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What Are Shadow Puppets?
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How Did D.B. Cooper Escape?
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What Are Hex Color Codes?
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When Was Toilet Paper Invented?
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What is a Firenado?
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How Many Blocks Make an Igloo?
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What Is a Hippie?
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Do Starfish Glow in the Dark?
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What Were the Seven Wonders of the Ancient World?
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Where Is the Lost City of Atlantis?
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What Is the Legend of El Dorado?