Napoleon was defeated at Waterloo in June 1815 and was exiled to Saint Helena.
Louis XVII is restored as King of France for the second time in 1815 after Napoleon’s exile.
All the leaders wanted to establish a Cordon Sanitaire in France to prevent the spreading of revolution.
The decision-makers at Vienna decided to return Italy to strong dynastic rulers.
The Habsburgs were given two states of Northern Italy; Lombardy and Venetia. They had four fortresses in these two states; Mantua, Peschiera, Legnano and Verona.
Most other Northern Italian states were given to minor Habsburg rulers.
Central Italy was more or less part of the Papal States under the Pope’s rule. They would support monarchical principles and be ruled as a monarchy by the Pope.
In the south, Naples and Sicily were ruled by Spanish Bourbons.