Enfeoffment of the Frontier: I Am Engaged in Construction in Another World

[Fiefdom construction (slow pace) + system + struggle for the throne + reform system] After being ruthlessly thrown into the wilderness by the emperor's father, Xie Xing's system awakened. Coming to the borderlands, he continued to develop fiefdoms, build cities, improve water conservancy, develop the army, manufacture weapons, and promote improved seeds... Although the frontier is surrounded by dangers, the sky is high and the emperor is far away. As a time traveler, Xie Xing can grow up with peace of mind. Now the momentum of comeback is unstoppable! "Dear father and brother, I thank you and come back."