[xvector]

That doesn't work in the real world where the remaining 10% of countries are willing to use their superior military technology to dominate others.

The only way for a country to be truly free is to be either equal in power to other countries - or barring that, the most powerful country on the block. Since the former is impossible due to the nature of reality, all countries aim for the latter.

[Phrodo_00]

In practice that top 10% is generally the one holding itself accountable to arms treaties, it's normally smaller groups that go for the cheap-and-horrible.