Respuesta :

Italy and Germany became nation states because of nationalism among their people.
Or maybe due to World War 2 but world war 2 occured in 20th century 
alenathibert

Answer:

The correct answer is the civic nationalism

Explanation:

Civic nationalism is when political leaders call for the creation of a self-governing nation-state. The unification of Italy and Germany as nation-states in the nineteenth century is an example of civic nationalism.