1. Concept
A duel is an agreed form of single combat, carried out in accordance with a set of rules and with deadly weapons, its purpose being the defense of personal honor. It became popular in the 16th century among male members of the nobility, at first in Spain, Italy, and France, then also in Germany after the Thirty Years' War. Its area of distribution extended across the whole of Europe in the 18th and early 19th centuries, including Britain and Russia [3].
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