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 Ghandi, alghough https://quoteinvestigator.com/2013/04/23/good-idea/[Quote Investigator does not think that the attribution evidence is strong]:
  \Q[What do you think of Western civilization?]
  to which Ghandi answers:
  \Q[I think it would be a good idea.]


Discussion on "The European Union is a failure" by Ciro Santilli 32