True or false only no explaination need.

1. Piedmont is Italy's largest producer of wine. 2. Evidence of grape growing and wine consumption in Italy dates from the late Stone Age. 3. Cato's De Agri Cultura suggests that wine was no longer a rare luxury in the Roman world. 4. Superiore is a term that indicates that a wine is at least 5 percent higher in alcohol than the minimum required for its DOC (Denominazione di Origine Controllata). 5. It is fair to say that most of the great wine regions of Europe were originally planted by the Romans. 6. Until the 1970s, Italy acquired a reputation as a producer of large quantities of undistinguished affordable wines. 7. In the seventeenth and early eighteenth centuries, Milan became the center of Italy's wine trade. 8. Classico is a winemaking term given to indicate additional aging, 9. The difference between Denominazione di Origine Controllata (DOC) and Denominazione di Origine Controllata e Garantita (DOCG) is that Denominazione di Origine Controllata e Garantita (DOCG) are wine laws that include a top category of classified wines, considered elite wines of Italy. 10. Since 1999 Chianti must be made of at least 75 percent Sangiovese