In the Three Kingdoms period, to use an analogy, it was like a hanging bucket at the beginning, which contained the rivers and mountains, but after being loaded for a long time, the rivers and mountains in the barrel did not change, causing the mountains and water inside to slowly decay and corrode the bottom of the barrel and fall down, falling apart. Some are big, some are small, and no matter how big or small, they want to make themselves bigger and make others smaller. Through a series of struggles, it finally became 3 pieces, and no one could eat anyone for the time being, and they checked and balanced each other to maintain a balanced ...... for a period of time. What broke the balance was the battle of Yiling, the fuse was the death of the second brother Guan, the weak snipe and the clam of Sun Liu and the two weak snipes and mussels competed, and Cao Wei and the strong fishermen profited, and the final result was that Sun Liu Jiangshan became smaller and smaller, and Cao Wei Jiangshan gradually expanded. However, Cao Wei stole the country Sima again, and Sima Xiaoxiong reintegrated the three different rivers and mountains into a barrel, thus becoming a bucket again, this is in the Romance of the Three Kingdoms: The so-called major events in the world must be combined for a long time......