Champagne
Step 1: Know the Difference Between Champagne, Cava, Prosecco, and Sparkling
   Champagne: To acquire the prestigious “Champagne” label, the sparkling
   wine must be made in Champagne, France; made of traditional Champagne
   other. Of the three (Champagne, prosecco and cava), this is the least
   Cava: Like Champagne, this Spanish sparkling wine is fermented within
   larger than Champagne, and is typically sweeter than Champagne.
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   Champagne longer than a couple of hours is to get yourself a Champagne