You are unsing a very specific example do draw a very far-reaching conclusion. The only fact that the there are some 20 different languages makes the EU a much

You are unsing a very specific example do draw a very far-reaching conclusion. The only fact that the there are some 20 different languages makes the EU a much less omogeneous market than the US. This withouth considering that each country has its own employment policies, social security services, healthcare system, education system, revenue service... I'm strongly pro-union, but it's far from perfect, or even efficient, in the current state.