Traveling Through the Past and Present, I Handed Myself Over

Zhihe accidentally obtained a parallel world time and space device, which allowed him to travel to the Dayu Dynasty in the parallel world, where aristocratic families ruled and the imperial power was in danger. At the request of the space-time device, if Zhihe ensures the survival of important people in Dayu, he can bring back certain supplies from Dayu. After the connection between the worlds deepens, he can even take people through time and space. But this is not exclusive to Zhihe. Countries in the parallel world have launched time and space devices into Zhihe's world, and Zhihe decisively handed it over to him. The land is vast and the population is sparse. Is it difficult to plant? Learn about advanced agricultural tools and hybrid seeds The weather is cold and it's hard to keep warm? Learn about greenhouses and cotton What, the enemy country has gunpowder? Sorry, we have what you have, and we have what you don't have! After Lu Huaichuan was poisoned, he felt that it would be a blessing to risk his life to win over the family for his father. Unexpectedly, his princess not only helped him detoxify, but also disintegrated the family, leading the people of the fief to live a prosperous life. Slow heat, the world is imaginary, the content is fictitious