There's a bit of that. But I think a big part of the reason is that national governments can not address international issues. The EU represents 300M people, a

There's a bit of that. But I think a big part of the reason is that national governments can not address international issues. The EU represents 300M people, and has the economic and political weight to make a dent. The same goes for other international issues, such as climate change, corporate tax evasion, cyber crime, etc.