Others who time travel are either systematic or have golden fingers; they are either down-and-out princes or border generals; at worst, they have to travel to ordinary people's homes where they don't have to worry about clothes.
After Zheng Yang died suddenly, he traveled to the parallel world of the Great Yan Dynasty. His family was destitute, with only his widowed sister-in-law and young nephew. As a doctor of history in his previous life, he had to study hard in a difficult environment to get ahead.
Relying on the memory of his past life, he climbed to the highest level step by step, from being a cowherd to being the head of the county trial case to being a court tester, becoming the most powerful minister and ruler of the world!
Develop maritime transportation, emphasize education, reform the tax system, quell Japanese rebellion, stabilize the northwest, and drink horses in the desert!
Faced with the Great Yan Dynasty, which was terminally ill and faced internal and external troubles, he turned the tide time and time again and created another prosperous world for two hundred years!
(This book has no system, cheat code)