How do nationalism play a part in the rise of italy ang germany?

The most obvious result of nationalism in the nineteenth century was that both the Italian states and the German states became unified countries. Prior to 1870 and 1871, respectively, Italy and Germany each consisted of many individual principalities. The conquest of most of Europe by Napoleon had set off a reaction in which peoples such as the Germans and Italians, who had historically only had an ethnic identity, now wished to create nation states,large...

slavery, abortion, donald trump, gay marriage, racial rights, immigration  

explanation:

anything that has been broth up to the supreme court is something of grate political divide   so just look as court cases

the answer is states.