In the following millennia, firearms spread from China to Europe and then from Europe to North America, traveling the world with the footsteps of capitalist invaders.,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.,Sule Ancient City must be considered one of the darkest places on Chinese territory.。