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People needed silk
hepled economicaly for people of china
The Silk Road was used as a trade route, however, I'm sure people also used it for personal travel.
the silk road was not one road but several trade
Jerusalem was one of the major trade cities along the Silk Road Trade Route
Baghdad traded goods and ideas along the silk road.
Spices..
They traded almonds, dye, dried fruit, swords, cloth, and glass.
slaves
perfume, cosmetics, carpets
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not sure but you could only trade with the people near you and you didnt always get what you needed when you needed it