Professor Qian's lectures on the rise and fall of the world powers National security in the rise and fall of great powers 并列题名：National security in the rise and fall of great powers Non-neutrality of property system and the rise and fall of the grest powers The profession of violence :：The rise and fall of the Kray twins / 并列题名：Non-neutrality of property system and the rise and fall of the grest powers Technological innovation in the rise and fall of great powers