Twin brothers Ross and Norris McWhirter are best known for creating what reference book?

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Which country were the 1912 Summer Olympic Games held in?

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Francis Scott Key wrote what famous song?

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What philosopher argued for natural rights in his 1651 "Leviathan"?

In which US state is the geographic center of the 48 contiguous states?

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What kind of animal is the title character in the 1998 movie "Mighty Joe Young"?

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