Sweet wines are bottled with higher sugar levels than table wines. How do winemakers achieve this?

1. Grapes are left to dry, rot or freeze on the vine, concentrating sugars
2. Fermentation is halted early, leaving residual sugar in the vat
3. A dosage of sugar is added to bottles before corking
4. All of the above

Question

Ancient Italians not only cultivated fine wine on their peninsula, but also first planted many of the great wine regions of France, Spain and Germany. Who were these people?

1. The Phoenicians
2. The Medicis
3. The Huns
4. The Romans