(Parallel world, the Anti-Japanese War of the Republic of China + time travel system + passionate and exciting writing, no cp)
After the defeat of Songhu in 1937, Chen Yan crossed over to become a small staff officer of the Army and was trapped in the purgatory behind enemy lines swept by the Japanese.
Everyone was running for their lives, and he activated the "Martyr Relics Archiving System" in a desperate situation:
From the defeated troops guarding the courtyard, to leading the militia to collect grain and build artillery.
Instead of relying on brute force, rely on "repairing things", building relics exhibitions to unite the people's hearts, and building arsenals to strengthen combat capabilities. Eventually, the base areas behind enemy lines will be turned into a passionate fortress, commanding an army of ten thousand people.
What you pick up are relics, and what you keep are mountains and rivers——
A few years later, the junior staff officer looked back and wondered, How did I become a big warlord?
