The sovereignty of Spain falls on all Spanish citizens.
If you allow a referendum on such topic in a part of Spain, it doesn't matter the result because you're accepting implicitly that a part of Spain can rule over the whole.
If you allow a referendum on such topic in a part of Spain, it doesn't matter the result because you're accepting implicitly that a part of Spain can rule over the whole.
I don't want to start a flamewar, but that looks like a bias you might want to reflect on.