Piedmontese wines
...that tariffs imposed by the Austrian Empire on the export of Piedmontese wines to Austrian controlled areas of Italy was one of the underlying sparks of the revolutions of 1848–1849?
...that <a href="./Tariff" id="mwDEw" rel="mw:WikiLink" title="Tariff">tariffs</a> imposed by the <a href="./Austrian_Empire" id="mwDE0" rel="mw:WikiLink" title="Austrian Empire">Austrian Empire</a> on the <a href="./Export" id="mwDE4" rel="mw:WikiLink" title="Export">export</a> of <b id="mwDE8"><a class="mw-redirect" href="./Piemonte_(wine)" id="mwDFA" rel="mw:WikiLink" title="Piemonte (wine)">Piedmontese wines</a></b> to Austrian controlled areas of <a href="./Italy" id="mwDFE" rel="mw:WikiLink" title="Italy">Italy</a> was one of the underlying sparks of the <a class="mw-redirect" href="./Italian_unification" id="mwDFI" rel="mw:WikiLink" title="Italian unification">revolutions of 1848–1849</a>?