<Li> The neutrality of Switzerland was guaranteed . </Li> <Li> Hanover gave up the Duchy of Lauenburg to Denmark, but was enlarged by the addition of former territories of the Bishop of Münster and by the formerly Prussian East Frisia, and made a kingdom . </Li> <Li> Most of the territorial gains of Bavaria, Württemberg, Baden, Hesse - Darmstadt, and Nassau under the mediatizations of 1801--1806 were recognized . Bavaria also gained control of the Rhenish Palatinate and parts of the Napoleonic Duchy of Würzburg and Grand Duchy of Frankfurt . Hesse - Darmstadt, in exchange for giving up the Duchy of Westphalia to Prussia, received Rhenish Hesse with its capital at Mainz . </Li> <Li> Austria regained control of the Tyrol and Salzburg; of the former Illyrian Provinces; of Tarnopol district (from Russia); received Lombardy - Venetia in Italy and Ragusa in Dalmatia . Former Austrian territory in Southwest Germany remained under the control of Württemberg and Baden, and the Austrian Netherlands were also not recovered . </Li>

What were the three basic principles of the vienna settlement