The code of conduct and chivalry were introduced in the society as per the orders of Charlemagne.
Codes of conduct are the moral ways a person is expected to behave in the society. They are outlined with the help of rules and regulations, often serving as the laws of such society.
It has been seen that the Charlemagne's code of conduct were introduced into the society in 8th century. Also, rules of chivalry were introduced in the same time frame.
Hence, the codes of conduct were introduced by Charlemagne.
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