As a result of trade, the communities formed alliances, specialized in different crops, and depended on one another for supplies. As more individuals traded and were able to receive exactly what they needed without having to the labor as much, the gap between mediaeval classes grew smaller.
Even the relatively tiny settlements had access to the weekly markets and, perhaps a day's travel away, larger but less the frequent fairs, where the whole range of consumer goods for the era were spread out to lure the shopper. The trade and business in the mediaeval world and expanded to such a degree.
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