Simplify the following text for a Grade 9 native English-speaking person.
Original: There are many sparkling wines produced worldwide , yet most legal structures reserve the term `` champagne '' exclusively for sparkling wines from the Champagne region , made in accordance with ComitÃ Interprofessionel du Vin de Champagne regulations .
Simplified: Many people call all sparkling wines champagne but according to trade laws , only sparkling wine from the Champagne region can be called champagne .