It hasn't achieved anything beyond the Schengen zone.

Related:
* <having more than one natural language is bad for the world>
* <video The Euro Has Never Been More Problematic by Yanis Varoufakis (2018)> https://youtu.be/cCA68U3P_Z8?t=433 mentions a quote attributed to <Gandhi>, although https://quoteinvestigator.com/2013/04/23/good-idea/[Quote Investigator does not think that the attribution evidence is strong]:
  > What do you think of Western civilization?
  to which Ghandi answers:
  > I think it would be a good idea.


 The European Union is a failure

ID: the-european-union-is-a-failure