Answer:
The rise and spread of nationalism gave people a new sense of identity and unity. It also led to increased competition among nation-states. After Napoleon was defeated, several other European nations joined together to attempt to return to the old—conservative—ways.
In some countries, nationalism contributed to the formation of a state through the union of autonomous territories sharing a common culture, like in Germany or in Italy. It also fed movements of resistance against imperial rulers governing multicultural empires.
Step-by-step explanation: