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
Giuseppe Verdi and its lines such as "O mia patria, si bella e perduta" / "O my country, so lovely and so lost" were thought to have resonated with many Italians). Beginning in Naples in 1859 and spreading throughout Italy, the slogan "Viva VERDI" was used as an acronym for "Viva Vittorio Emanuele Re D<nowiki>'</nowiki>Italia" ("Long live Victor Emmanuel King of Italy"), referring to Victor Emmanuel II. George Martin says Verdi was "the greatest artist" of the Risorgimento. "Throughout his work its values, its issues recur constantly, and he expressed them with great power". Franco DellaPeruta agrees that the operas and the