Port wine be labelled as "port" or "Porto". In the United States, wines labelled "port" may come from anywhere in the world, while the names "Oporto", "Porto", and "Vinho do Porto" have been recognized as foreign, non-generic names for port wines originating in Portugal. Port is produced from grapes grown and processed in the demarcated Douro region. The wine produced is then fortified by the addition of a neutral grape spirit known as aguardente in order to stop the fermentation, leaving residual sugar in the wine, and to boost the alcohol content. The fortification spirit is sometimes referred to as brandy but
Vinho Verde Croft as taking place in 1788. The arrival of maize in the 16th century left a distinctive stamp on viticulture in the region. To maximise production of maize, new regulations banished vines to the field margins, where they would be draped over trees and hedges, forcing the vignerons to pick them from tall ladders. Today, you can find some examples of vines trained by the old methods, but most of the Vinho Verde Region is now using modern methods, which give larger and better yield. The "Vinho Verde Region" was demarcated by the law of September 18, 1908 and a