that the Prince of Qin was being overly ambitious.Everyone knows that saltpeter is used to make gunpowder.Formerly, gunpowder played a relatively minor role in warfare. Even during the technologically...idually he could resist, but together they are too much of a temptation.A gleam flashed in his eyes. Ning Wang said, "You're so bold Aren't you afraid that this title of mine will be stripped away, an...