What is 'terroir' as applied to bourbon marketing, and how contested is the concept?
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A
A fully accepted scientific fact that limestone water guarantees superior bourbon
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B
A marketing narrative suggesting local grain, water, and climate uniquely shape a bourbon's character, though its scientific basis is debated
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C
A TTB-regulated designation for Kentucky-only bourbons
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D
A legal requirement to disclose all grain sources on the label