hen immediately drove away his future brother-in-law.Su Pingbei glanced at Su Jinping before bowing to Li Chen and saying, "Then this general... will take his leave."After bidding farewell, Su Ping ro...eople was fireworks during festivals and thunder during thunderstorms.Even with the development of weaponry like the red-clad cannon based on fireworks, it was fundamentally still reliant on gunpowder...