The leader brings reforms to his newly unified Mongol nation. The man formerly known as Temüjin will now conquer an empire bigger than any before in recorded history. But what are the innovations that underpin his supremacy? And how will history judge him - as a cruel tyrant, or a great leader? A Noiser production, written by Dan Smith. For ad-free listening, exclusive content and early access to new episodes, join Noiser+. Now available for Apple and Android users. Click the Noiser+ banner on Apple or go to noiser.com/subscriptions to get started with a 7-day free trial. Learn more about your ad choices. Visit megaphone.fm/adchoices