I’m not sure how this illustrates Nash Equilibrium, nothing stable about this. This is just a hegemonic but declining power (USA), that provided security and st

I’m not sure how this illustrates Nash Equilibrium, nothing stable about this. This is just a hegemonic but declining power (USA), that provided security and stability assurances, which is no longer able to provide those assurances. Putin sees an opportunity to rebuild glory of Russian empire and distract from crushing domestic issues.