Ancient Rome and wine Gaul. The Romans established lucrative trading relations with local tribes of Gaul, despite their potential to produce wine of their own. The Gallic tribes paid high prices for Roman wine, with a single amphora worth the value of a slave. From the Mediterranean coast, the Romans pushed further up the Rhone Valley, to areas where olives and figs were unable to grow but where oak trees were still found. As a result of their experience in what is now northeastern Italy, the Romans knew that regions where "Quercus ilex" were found had climates sufficiently warm enough to allow the full
Phoenicians and wine introduced or encouraged the dissemination of wine knowledge to several regions that today continue to produce wine suitable for international consumption. These include modern-day Lebanon, Syria, Algeria, Tunisia, Egypt, Greece, Italy, Spain, France, and Portugal. The Phoenicians and their Punic descendants of Carthage had a direct influence on the growing winemaking cultures of the ancient Greeks and Romans that would later spread viticulture across Europe. The agricultural treatises of the Carthaginian writer Mago were among the most important early texts in the history of wine to record ancient knowledge of winemaking and viticulture. While no original copies of Mago's or