The exposure and spread of Classical liberalism or Enlightenment ideals. After the Concert of Europe visited France and Paris it forever changed Europe.
Soldiers returned home back to their nations sharing all these wonderful crazy ideals of Republicanism and freedom.
Europe became a slow ticking time bomb before all of Europe was gonna revolt against their king which they did later in 1848. Every state and empire in Europe except Britain will face a revolution because of Napoleon's causes
