What impact did the collapse of the Napoleonic Empire have on Europe?

Question

The fall of Napoleon and the spread of ideas from the French Revolution led to a rise in nationalism in many European nations.
The collapse of Napoleon’s empire promoted international trade and led to the rise of the European Union.
The end of the Napoleonic Empire created a power vacuum that led to the domination of Germany by an imperial power.
Napoleon’s fall caused revolutions in French colonies that led to the end of imperialism on a global scale and a reduction in European economic power.
Is it the first one

Answer 1

Correct.