In the second year of Shaoxing during the Southern Song Dynasty, which corresponds to 1132 AD, the Jin army was advancing south, and the court of the Song Dynasty was in a precarious situation.,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.,China, known as the drug trafficking haven, seems to be about to unveil her secrets to the world's drug lords.。