Earlier quoted context omitted.
1) Isn't NATO a product of the cold war, meant to stand as an alliance against the USSR? A defense alliance must be, by definition, against someone, be it Russia or China. And isn't it a tool for the US (mainly) to serve their interests & enforce their will around the world? See Kosovo, Afghanistan, Libya. 2) "Allowed" yes, disregarding the sanctions/embargo in place these last 60 years. 3) My geography knowledge is…
> A defense alliance must be, by definition, against someone I'm not sure where you got this idea, but it certainly isn't true.
For example, a defense alliance that included all nations, would defend against aliens.
I repeat, a defense alliance must be, by definition, protecting the members from external threats. I don't think it's a very difficult concept to grasp.