They're trying to copy our system of having a Federal Gov't along with a system of states. But because they lean socialist they are having a heck of a time getting it done.
It seems like they will fail, probably followed by us.
No, the EU has modeled their government after the USSR. The structure is very similar to the USSR (appointed Commission acting as Politburo, elected unicameral Parliament acting as rubber stamp); and like the USSR, the central government is about micromanaging its member states and destroying their individual identities (note the similarity between “European Demos” and “Soviet People” for example).