Arms of the Song Dynasty: from Fireworks to Guns

From fireworks to muskets, it's just a step away. Why didn't China take the lead in taking this step? Xia Zhi felt uneasy. He believes that the reason is that during the Jingkang Rebellion, the Jin army took all 100,000 craftsmen, including military craftsmen, to the north. This barbaric robbery cut off the most critical step in China's military industry. The subsequent Mongolian Western Expedition brought gunpowder to Europe, allowing Europeans to take the lead. With the help of the "genie" signed by his parents, Xia Zhi traveled back to the fifth year of Emperor Huizong's Xuanhe of the Song Dynasty. Unexpectedly, this djinn turned out to be a newbie who was very unskilled in the business...