The objectives of the Congress were to reset the political and territorial order in Europe after the defeat of Napoleon Bonaparte in 1814, and to prevent future wars between the European nations.
One of the most important outcomes of the Congress of Vienna was the establishment of a balance of power in Europe, intended to prevent any single country from dominating the continent.
To achieve this, the victorious powers, led by Austria, Russia, Prussia, and the United Kingdom, redrew the map of Europe, creating new countries, altering borders, and restoring old monarchies.
The Congress of Vienna also laid the foundation for the Concert of Europe, an informal alliance between the major European powers, which aimed to maintain the status quo established at the Congress and to resolve disputes through diplomacy rather than war.
The Concert of Europe successfully preserved peace in Europe for much of the 19th century.