In three sentences, describe in what ways did the guilds ensure that trade and merchandising was ethical and moral?

 The guilds were an association of freemen, of craftsmen working together to sustain each other, and through apprenticeship and training, to ensure the quality of what they produced. It is no accident that the great cathedrals of the medieval period did not leave the names of their builders behind them. Each man worked quietly and well as part of the group, and sought no fame for himself.

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