While testing nuclear weapons is not in best interests of world, the 5 countries did it before 1968 got an advantage due to NPT. [0]: https://en.wikipedia.org/

While testing nuclear weapons is not in best interests of world, the 5 countries did it before 1968 got an advantage due to NPT. [0]: https://en.wikipedia.org/wiki/Treaty_on_the_Non-Proliferation_of_Nuclear_Weapons https://en.wikipedia.org/wiki/Treaty_on_the_Non-Proliferatio...