Back in the Modern Era, I Took Back Everything

He scolded me for being petty, for what's done is done, and for the crops being completely destroyed! When the system transported me to this world, it said the Xia Kingdom's fate was sealed. I offered sweet potatoes and potatoes, helping them rise from the weakest to the strongest nation. After ten years of marriage to the prince, he publicly demanded a concubine, accusing me of being jealous and lacking in understanding. The assembled officials smugly declared, "We're still number one without you!" I smiled and activated the system's recycling program. The crops withered and turned to ash on millions of acres of fertile land. When the Xia Kingdom returned to the era of famine overnight, they begged me to return. But in my laboratory, three generations of hybrid rice had just broken the 2,000-jin per mu yield barrier— "Sorry, next..."