Well.. it's more complicated than that and there are examples of both..
Back home, Prussia is still around as a person, despite his country being dissolved. He doesn't seem to be planning on dropping out of the game any time soon, though I think he just stays to annoy the living hell out of his brother.
On the other hand... there's a number of micronations, some of which are recognised only by themselves - Sealand, for example...
[Sigh]
To the last question... it would depend on the severity of the attack.
That's alright he's used to it. He knows America :1
Back home, Prussia is still around as a person, despite his country being dissolved. He doesn't seem to be planning on dropping out of the game any time soon, though I think he just stays to annoy the living hell out of his brother.
On the other hand... there's a number of micronations, some of which are recognised only by themselves - Sealand, for example...
[Sigh]
To the last question... it would depend on the severity of the attack.