Time travel + no system + technology + infrastructure + industry + military + single female protagonist
In the last years of the Song Dynasty, the world was in chaos. Externally, there was a conflict between Jin and Liao, and the situation was turbulent. Internally, civil strife broke out, and people were panicked.
After the maritime alliance, the Jin people hunted south, and millions of cavalry knocked on Bianliang. The country fell and all life was in ruins.
A little before that, in Juzhang City, Lin Tao, a small businessman who started from scratch, had just established his first base...
