Mostly: the concept of a nation. Afghanistan isn't a nation. And you can't externally force people to believe they're part of a nation. Either they do, in whi

Mostly: the concept of a nation. Afghanistan isn't a nation. And you can't externally force people to believe they're part of a nation. Either they do, in which case they're willing to accept sacrifices for the greater good of their fellow citizens, or they aren't.