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 regime in power. Verdi later became disillusioned by politics, but he was personally active part in the political world of events of the Risorgimento and was elected to the first Italian parliament in 1861. Likewise, Marco Pizzo argues that after 1815, music became a political tool, and many songwriters expressed ideals of freedom and equality. Pizzo claims that Verdi was part of this movement, for his operas were inspired by the love of country, the struggle for Italian independence, and speak to the sacrifice of patriots and exiles. On the other side of the debate, Mary Ann Smart argues that