Nobles had bridges and roads repaired, they arrested bandits, and enforced the law. This helped trade to resume.
<span>Disposable razor blades were invented in 1901 by Gillette.
Gillette is a company based in the United States, founded by King C. Gillette in 1901. He was an American businessman who saw the need for disposable razor blades, which is why he is considered the pioneer in the business.
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So every government can have a set of rules in their area without having conflict.