Applying this concept to human society, Kropotkin presented mutual aid as one of the dominant factors of evolution,
the other being self-assertion, and concluded that.
According to the judgment, to put the matter in its extreme form,
a Prince called Kropotkin might conceivably be kidnapped by Russian
agents in collusion with British police and without the knowledge or consent of the British Government and no rule of International Law could be invoked for his restoration.