I think it is "isolating themselves from other Asian Nations"?
Answer: Nicollo Machiavelli
Explanation: renaissance thinker. Machiavelli is not a medieval political thinker (as Dante Alighieri in his "Monarchy") anymore. His political thougths do not refer to metaphysical, divine realm. His political thought takes place in profane, secular realm.
Answer:
approximately 14.6 million people