France has a deal with the US and other countries that protects the name "champagne". In the US, you can't call your sparkling white wine "champagne" unless A)

France has a deal with the US and other countries that protects the name "champagne". In the US, you can't call your sparkling white wine "champagne" unless A) it's from Champagne, France, or B) you were selling it under the same label before 2006.