(pen)o Overview (pen)-> (g)Demand and regional connections(pen) (pen)-> (li)Mongol expansion and security(pen) (pen)-> (p)Transport and commercial innovations(pen) (pen)o (g)Demand and regional connections(pen) (pen)-> c. 1200-1450: (lb)Silk Roads(pen) linked China to the Mediterranean. (pen)-> Growing cities and elite (g)demand(pen) expanded luxury trade. (pen)-> Chinese silk and porcelain supplied distant consumers. (pen)-> Central Asian horses and Persian textiles moved by land. (pen)-> High (p)transport(pen) costs favored luxuries over bulk goods. (pen)-> Older routes persisted as trade volume and reach grew. (pen)o (li)Mongol expansion and security(pen) (pen)-> 1200s (li)Mongol(pen) conquests joined much of Eurasia under rule. (pen)-> Conquest first devastated cities and disrupted commerce. (pen)-> Later Pax Mongolica reduced risks across many routes. (pen)-> Protection for merchants encouraged long-distance travel. (pen)-> Passes and relay stations eased travel and communication. (pen)-> Shared imperial links connected Yuan China and Persia. (pen)o (p)Transport and commercial innovations(pen) (pen)-> Camel caravans carried goods across arid Central Asia. (pen)-> Oasis towns supplied water, food, and places to exchange. (pen)-> Caravanserai offered lodging, making journeys safer. (pen)-> Bills of exchange reduced the need to carry metal coins. (pen)-> Credit financed costly journeys, enabling more commerce. (pen)o Overview (pen)-> (hp)Commercial growth and urban centers(pen) (pen)-> (hp)Cultural and technological diffusion(pen) (pen)-> (pu)Environmental effects and network limits(pen) (pen)o (hp)Commercial growth and urban centers(pen) (pen)-> c. 1200-1450: Eurasian overland trade expanded exchange. (pen)-> Increased traffic enriched oasis cities such as Kashgar. (pen)-> Samarkand grew as a market linking (g)regional(pen) merchants. (pen)-> Merchants relayed goods; few traveled the entire (pu)network(pen). (pen)-> (hp)Urban(pen) markets supported artisans producing luxury goods. (pen)-> Yuan paper money aided trade within China, not everywhere. (pen)o (hp)Cultural and technological diffusion(pen) (pen)-> Merchants and travelers carried ideas along trade routes. (pen)-> Muslim traders and scholars spread Islam in Central Asia. (pen)-> Buddhism persisted on routes despite Islam's (li)expansion(pen). (pen)-> Marco Polo's accounts widened European knowledge of Asia. (pen)-> Paper-making knowledge spread west, aiding written culture. (pen)-> Gunpowder knowledge spread west, changing military tools. (pen)o (pu)Environmental effects and network limits(pen) (pen)-> Deserts and mountains funneled caravans through passes. (pen)-> Trade and (li)Mongol(pen) movements helped spread plague westward. (pen)-> Black Death killed millions in Eurasia during the 1300s. (pen)-> Deaths disrupted production and reduced labor supplies. (pen)-> (li)Mongol(pen) fragmentation weakened safety; exchange persisted.