Long ago, a man named Su Qin lived in China. 
Long ago, a man named Su Qin lived in China. 

Long ago in China, a man named Su Qin lived during the Warring States period. 
Su Qin had a big idea called the Vertical Alliance. He wanted six different states to join together. This group would work as one team to stop the Qin state. He traveled to meet many kings to talk about his plan. He was very good at using words to win people over. He even wore robes with symbols from all six states. 
At first, Su Qin was not famous. Some stories say his own family did not recognize him. But after he became a great leader, they treated him with much respect. This change in how people act is still used as a saying today.
The alliance did not last forever. The states often fought for their own interests. Eventually, the group fell apart. Su Qin faced many hard times and died in the state of Qi. New finds of old silk papers help us learn more about his real life.
Su Qin was a famous political thinker in ancient China. He lived during the Warring States period. 

Su Qin had a big plan called the Vertical Alliance. He wanted six states to join together as one team. These states were Qi, Chu, Yan, Han, Zhao, and Wei. He wanted them to stop the strong Qin state. To show his success, he wore robes with symbols from all six states. He used very strong words to persuade the leaders. He traveled to many different places to talk to kings. His job was to make sure these states stayed united. This was a very hard job because the states often fought each other.
Before he was famous, Su Qin had a very difficult life. Legend says he traveled for many years after his studies. When he returned home, his own family did not recognize him. His parents and wife did not treat him with respect. He felt very sad about this. He went into his room to study even harder. Many years later, he became a great leader. When he returned home with honors, his family welcomed him with great respect. This story created a Chinese saying about how people's attitudes can change quickly.
Su Qin met many different rulers to share his ideas. He spoke to the ruler of Yan and the ruler of Zhao. He told the King of Wei to focus on the alliance. He also spoke to the King of Chu. However, not every meeting went well. The state of Qi did not join the alliance. Instead, they stayed friendly with the Qin state. This was a big problem for Su Qin's plan. Later, some old silk papers were found in Changsha. These papers help historians understand his real life better. They show he may have lived a bit later than some old books say.
In the end, the Vertical Alliance did not last. The six states often cared more about themselves than the group. They began to fight among themselves. This caused the alliance to break apart. Su Qin eventually moved to the state of Qi. He faced many enemies there. His life ended in a very sad and violent way. Even though his plan failed, people still study his life today. His ideas about alliances are still part of history. 
Su Qin was an influential political consultant and philosopher in ancient China. He lived during the Warring States period, a time of constant conflict between many different territories. 
The mechanism of the Vertical Alliance relied on persuasive rhetoric and strategic cooperation. Su Qin traveled to various kingdoms to convince their rulers to act as a single unit. He targeted the six kingdoms of Qi, Chu, Yan, Han, Zhao, and Wei. His goal was to create a unified front against the expanding Qin state. To demonstrate his success, he wore special robes decorated with the insignia of all six member states. This visual symbol showed that he had achieved a rare level of diplomatic unity among former rivals.
There were two main, opposing theories of diplomacy during this era. Su Qin promoted the Vertical Alliance, which focused on many states joining together. In contrast, a strategist named Zhang Yi promoted the Horizontal Alliance. This opposing theory encouraged bilateral alliances, which are agreements between only two parties, specifically with the Qin state. While Su Qin tried to build a large group, Zhang Yi worked to keep states separate by making them deal with Qin individually. One theory suggests that Su Qin and Zhang Yi might have even reinforced each other's views to reach their own personal goals.
Su Qin's path to fame was marked by significant personal struggle and academic dedication. After studying under the teacher Guiguzi, he traveled for several years without success. Legend says he returned home to find that his own family did not recognize him. His parents, his wife, and even his sister-in-law treated him with coldness or indifference. This failure led him to shut himself in his room to study even more intensely. Years later, after his diplomatic success, his family received him with great reverence. This dramatic shift in his family's behavior inspired a Chinese idiom regarding a sudden change from arrogance to respect.
Su Qin's career involved complex negotiations with many different rulers. In the State of Yan, he convinced Marquis Wen that the State of Zhao was a greater threat than Qin. He successfully persuaded the Marquis of Zhao that Zhao's territory was a crucial balance of power. However, his success was not universal. When he visited the State of Qi, the ruler chose to pledge allegiance to Qin instead. This was a major setback for his Vertical Alliance. Despite these challenges, the alliance was strong enough that the Qin state did not dare cross the Hangu Pass for fifteen years.
The Vertical Alliance eventually failed due to internal instability. The member states often prioritized their own selfish interests over the needs of the group. This lack of a strong foundation meant that the alliance could not survive when Qin launched military expeditions against Qi, Wei, and Zhao. The alliance disintegrated, and Su Qin left the Zhao State. His later years were filled with political conflict. After moving to the State of Qi, he became involved in intense struggles with other ministers. This period of his life ended in tragedy when he was assassinated and his body was treated with great disrespect.
Modern historians have used new evidence to clarify the facts of Su Qin's life. In 1973, silk manuscripts were discovered at Mawangdui in Changsha. These documents, known as the "Strategems of the Warring States," helped researchers identify errors in older historical records. For example, the manuscripts suggest that Su Qin's era actually followed the time of Zhang Yi. This evidence provides a more accurate timeline of the political shifts during the late Warring States period. 
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