My Daughter Was Reassigned, but I Won by Barrage in 80

[Tire change + barrage system + era + rebirth of a strong woman + getting rich + military marriage] Two children born on the same day were swapped. A person as rich as a princess, A poor person is like a piece of grass. Du Wenran achieved financial freedom in her previous life, but before she died, she discovered that the daughter she had loved for twenty years was the child of her eldest brother and sister-in-law, and her child had already been killed by domestic violence. When she opened her eyes again, Du Wenran found that she had been reborn and had a barrage system. She had changed her children, and she would let her sister-in-law's family suffer in terms of wealth and marry a widower for the rest of her life. Du Wenran relied on the barrage system to master her scheming skills, and she showed her talents in the supply and marketing cooperative. Her position rose higher and higher. After going into business, she made a lot of money. Du Wenran watched with cold eyes the thunderclap of the beads in the abacus of his eldest brother and sister-in-law, hoping that the day the truth would be revealed, the two of them would be able to laugh...