Why do psychopaths seem to have the upper hand when dealing with narcissists, and what makes their tactics effective?

Why do INFJs feel justified in shutting down compassion for those they see as harmful, and how does this affect their relationships with others?
Is it feasible for Western countries to influence global powers like the US and China in their approach to modern slavery, and how?
What was it about the moment with the gas station attendant that made you decide to part with your favorite coat?