On the Run From Famine, I Saved an Entire Nation

One devoted couple, one-on-one romance + powerful heroine + spatial dimension + unlimited supplies + no terrible relatives Updates are regular. Come on in! A genius special forces captain from the 21st century transmigrates into the body of a good-for-nothing general's daughter on her wedding night! Her new husband, the Fifth Prince, is framed by traitors, and his family is stripped of its possessions and exiled to the northern frontier. Before the confiscation, Li Qingwan empties the prince's storerooms and the imperial treasury! She isn't afraid of exile: she has supplies! But plans never keep up with reality. Along the way, they face drought, floods, plagues, and a series of baffling events. As the truth gradually comes to light, a conspiracy begins to unfold... A prince from an enemy nation provokes her? She empties the enemy capital! The enemy nation pursues her across the world with drawn swords! Then she quietly returns to the northern frontier and helps the people there get through their hardships. No food? She'll clear land and plant crops, develop agriculture and livestock farming, and turn a desolate region into a land of plenty! He vows to protect her and make sure no one in the world dares to bully or harm her. "Only by standing at the very top and wielding power can I protect her! If that's what it takes, then I'll take the whole world for myself!" A fictional setting!