How did the congress of Vienna ensure peace in Europe?

Answer 1

Quadruple Alliance
It disassembled the Napoleonic Emprie that had uprooted the stability of Europe and clarfied the relationship between the European powers such as France, Britain and Austria and the old terrotories of the Napolionic Empire such as Italy

Answer 2

Mostly, it tried to re-establish the 'old order': things as they were before the ascent of Napoleon. This also meant that a great number of claims from pre-Revolution rulers had to be dealt with. Finally, the Congress tried to make sure that Europe would be better prepared against any future French efforts to disturb the peace. To that end, an enlarged Kingdom of Holland was established.

Answer 3

Ensure that no European state could dominate the entire continent (APEX)

Answer 4

The Congress of Vienna served to redraw political boundaries of Europe after the Napoleonic Wars. It also condemned slavery.

Answer 5

To discourage wars.