the china sea

• • key reason why the whole systems worked
• • controlled most of the spice and silk trades
• • more traders wanted chinas products and markets so kublai khan moved from karakorum (mongolia) to beijing (china) 
• • beijing was conncted to other port cities, such as Hangchow & Canton, which were producers of silk and porcelain and the gateways to the maritime spice trade routes