My Cousin Forced Me to Change My Marriage? I Accept the Queen Mother's Golden Seal!

[Rebirth + palace fighting + court, don't go into details about the empty text. In the previous life, Zhuang Xuelan was forced to go to Xiliang to get married, and her cousin entered the palace as a concubine. Everyone said that her cousin was extremely noble. But who would have expected that in the end, Zhuang Xuelan's husband died suddenly after he unified the Western Regions, and she became the Queen of Xiliang. But my cousin married an old emperor, was overwhelmed by a little beauty, was made a human pig and was thrown into the cold palace, and ended up miserable. Zhuang Xuelan died of exhaustion in trying to govern the country. When she opened her eyes, she and her cousin were both reborn. The cousin seemed to have lost her mind and insisted on getting married and giving up her position as concubine to Zhuang Xuelan. Zhuang Xuelan smiled secretly in her heart. Grab it, grab it, she will find that the land of Xiliang Kingdom is barren in the future. If she doesn't work hard to manage it, how can there be a way out? Without her bringing water conservancy farming and iron smelting technology, the small country would have been destroyed long ago. But now that she has entered the palace, she, Zhuang Xuelan, will become the queen mother on the top of the tower, with both the harem and the court in hand.