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What Is Murphy’s Law?
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What Is a Smokejumper?
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What Was the Dawes Act?
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Who Was Hammurabi?
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Who Was Billy the Kid?
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What Is a Gondola?
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What Was the Underground Railroad?
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Why Isn't There Baseball for Women?
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Why Is It Called an AMBER Alert?
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What Is Pole Position?
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Are Debit Cards and Credit Cards the Same?
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What Happened at the Stonewall Inn?
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How Many Judges Are On the Supreme Court?
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Who Was Patsy Mink?
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What Is a Copyright?
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Who Was Alan Turing?
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How Does a Scale Work?
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Who Is Sonia Sotomayor?
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Who Was Gandhi?
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How Do Crickets Talk?