The section on the Rise of the Nation State has a quote at the end of the video lesson (which covered the 1850s-1870s) that stated "Nationalism and Unification in Europe would have huge effects, especially in the next 75 years."
In what ways did the events of the 1850s-1870s have huge effects, especially in the next 75 years? What are examples of
events of the 20th century (1900s) that were influenced from Nationalism and Unification?