During the reign of Augustus in Ancient Rome, there was a state of peace and tranquility throughout the Mediterranean. It lasted for over 200 years which was unheard of in Roman culture
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The obvious answer would be business leaders. The reason why this is true is becaus business leaders were often the ones who were touting the ideas of social darwinism and how their company is better and will stomp out the smaller one in proper sociodarwinistic fashion.
They reduce the time (by making it faster) and reduce the cost of trading (by making it efficient).