The answer to your question is sovereignty and it is quite settled by this point in global governance. Who has it and who they gave it up to. As a republic, the

The answer to your question is sovereignty and it is quite settled by this point in global governance. Who has it and who they gave it up to. As a republic, the citizens of Portugal are sovereign and they have the right to decide who gets to live where and for how much. The citizens can also choose to give up their sovereignty to others (the EU, globalism) or not exercise it (don’t vote or don’t hold their officials accountable).