państwo narodowe

The same could be said for nation states and their leaders.

We have been a nation state for a very long time.

We need to remember that nation states have their own problems.

The nation states would be far better off looking after their own interests.

I am asking you for information about what the nation states are now doing.

And as our friend above has explained very well, a nation state is not a family.

About a war that happened three thousand years ago between two small nation states.

Not until 1871 was there a nation state called Germany.

It became a nation state 2000 years ago and has remained one until today.

This is not by definition an issue for the nation states.