Since the very idea of nation came to the fore, political and cultural specialisms took the form of superiority over the others. Thus, for example, my people, my language, my traditions are better than yours. Various nationalism bursts have happened since the late 1800s with exploitations and wars usually their end result. We are now in the middle of a new nationalism revival. This new wave has become global very quickly, with a weird synchronization that connects the most disparate countries on several common issues.
Is Europe in Crisis?
Yes it is. Can it still be saved from itself? Yes probably, but failure cannot be ruled out either.