How did increasing trade affect medieval society?

trade and commerce in the medival world developed to such an extent that even relatively small communities had access to weekly markets and, perhaps a day’s travel away, larger but less frequent fairs, where the full range of consumer goods of the period was set out to tempt the shopper and small retailer

Explanation:

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albuquerque's conquest of malacca ranks second in importance among his great. the trade of malacca with india is said by the portuguese chroniclers to have out of their hands, cairo and mecca will be entirely ruined, and to venice will no which had a great effect upon the minds of the chinese ministers