Answer :
I would say C. In my experience, I've learned that certain groups were actually driven together and united in order to drive Napoleon out.
The statement that best describes Napoleon's role in the nineteenth-century movements to unify Germany and Italy is C. Napoleon's conquests stirred feelings of nationalism and that people began to experience a sense of unity. Napoleon ended Germany's institutional structure which had given a political coherence. Italy was divided into two units north and south. In this way, he fostered nationalism in the countries he had annexed. Germans and Italians both felt that they were more than the units in which they had been divided.