Nuclear Weapons

We have nine countries with nula weapons, the united states, russia, china, uke, france, india, pakistan, israel and north korea. Approaching this problem thinking like an economist, it's surprising to me that so few countries have nuclear capabilities. A lot of people think this work is very oh, it's impossible. It's never going to happen. But if you look at it that way, we've actually made a massive achievement,. i think it was in the sixties, where they predicted that within 20, 30 years heron, 30 countries will have nuclar weapons. And that didn't happen. If krane