Sorry, I want to change the focus for a bit...

I understand what Pain went through to come to his answer, but what if, he hadn't gone through these things, would it change his prospective? What I mean is, if he creates his 9 tails weapons (using all nine beasts) and is able to use it as a deterent, why is this idea so far fetched. In fact that's exactly what we are doing in our own world today and have been since WW2. The fact we are going wow, what a nut job when we look at Pain is almost comical, when this is exactly how our society developed. When we go to war its called a peace keeping mission or Nato mandate. In fact we are at a war on terror, not actually against any country in particular. Its a technicality I know, but after the arms race, and everything that occured in between the thirst for war has gone away, and only those countries that do not have the capibilbity to blow each other away with a press of the button dare engage each other...

It terms of realistic solutions, even though my argument may not be the best presented, and not saying that it is the best solution availible, but Pain's method is the one our world in fact employs. I had actually dismissed his idea because I thought he was out there, but then it just occured, maybe not...