Silk Roads
An ancient caravan trade route between China and the Mediterranean Sea and across Central Asia extending some 6,440 km (4,000 mi), linking China with the Middle East
Mongol Empire
conquering the Abbasid Caliphate and China, unified the Silk Roads in a system under the control of an authority that respected merchants and enforced laws
–improved roads and punished bandits (increased safety)
Pax Monglica
period of approximately 150 years of relative peace and stability created by the Mongol Empire, assuring the safety of the Silk Roads and consequently increasing trade and cultural diffusion