hurriedly said, "Your Highness misunderstands..."He waved his hand to stop Long Huaiyu's words, and Li Yinhou said lightly: "Let's speak plainly. You all know who stands behind me. Although I don't h...sans to explore concepts like bullets and rifling, bringing forward the invention of firearms wouldn't be too difficult.After all, what Li Chen wanted was just the most basic kind of gunpowder gun, no...