It was precisely because of the invention of firearms that countless Westerners knelt before the ancestors of China, perfecting and developing the gun. This led to the death toll in any small-scale war in modern times far exceeding the casualties of large-scale ancient wars.,Therefore, the invention of guns cannot be considered a brilliant technique that promotes the advancement and development of the world.,Over the past thirty years, there has never been any circulation of "guns" and "drugs".。