Sure, except these same nations and states have had that problem for a lot longer than the life of the Euro, AND they had wars on top of it. For centuries. Th

Sure, except these same nations and states have had that problem for a lot longer than the life of the Euro, AND they had wars on top of it. For centuries. The Euro does mitigate that likelihood, even if there are protests and the rise of nationalism. There were protests and nationalism prior to any Euro. Now it's harder to produce a war industry when your industry and economy are so intertwined with another country's.