The First Son-In-Law of the Warring States Period

He led the Eight-Nation Allied Forces, consisting of eight-nation warships composed of Qin, Chu, Qi, Zhao, Han, Wei, Yan, and Wei, to conduct a large voyage, and exchanged industrial technology for agricultural resources in Europe, Asia and Africa: peanuts, corn, potatoes, etc., And mineral resources: gold, oil, etc. He is Gongsun Fei, a mechanical engineer who traveled from modern times to Xianyang, Qin State, and became the son-in-law of a merchant family... Gongsun Fei used the wisdom of modern people to invent the steam engine... Which brought the Warring States Period from the agricultural era to industrial development... And rice was planted in large areas and became the staple food, allowing people during the Warring States Period to eat rice and taste the delicacies of the 21st century. In 311 BC, King Huiwen of Qin was old. In order to unify the six kingdoms, he was hesitant about whether the successor of Qin should follow the principle of establishing elders instead of virtuous people or establishing virtuous people instead of elders. This made the two factions of King Qin Huiwen's eldest son and youngest son ready to move. In this year, Gongsun Fei changed his image as a son-in-law during the Warring States Period and became the head of a merchant family, which brought about tremendous changes in the military and economy of the Warring States Period.