The document summarizes the rise of nationalism in Europe between the 18th and 19th centuries. It describes how European society was divided between upper and lower classes. It also discusses the unification of Italy led by figures like Garibaldi and Cavour, and the unification of Germany orchestrated by Bismarck, which established unified Italian and German nation states. Nationalist ideas spread from the French Revolution and helped inspire independence movements that weakened the Ottoman Empire in the Balkans.