"Can you imagine a US state doing that? " You can't compare US and EU. US was built more or less as a coherent whole - politically speaking. EU was jury rigged

"Can you imagine a US state doing that? " You can't compare US and EU. US was built more or less as a coherent whole - politically speaking. EU was jury rigged on top of autonomic political entities, some with hundreds of years and some tens of years of political sovereignty.