Respuesta :
In Italy the causes of nationalism started with the fall of the Roman Empire. The peninsula was divided into several states that had their own government. Napoleon invaded many of these states but the unification did not last. The states split up again and nationalism started to begin again.
Answer:
Nationalism influenced higher authority of Italy to be united country under the ruler/or King of the country . But the walls that separated the country of states caused Italy's economic development to fall .
Explanation: