Qin Shi Huang... A Promise with a Friend

Qin Shi Huang (Ying Zheng) and Prince Xi Dan of the Yan State lived as hostages in the Zhao State.
They shared the same hardships and contempt, becoming friends who empathized with one another's plight.
At that time, they made a pact: if they each became the King of Qin and Yan respectively,
they would ensure the destruction of Zhao, and Qin and Yan would agree to leave each other alone.
Ying Zheng became the King of Qin, but Xi Dan remained a hostage because his father was a general.
This is where the conflict between the two close friends begins.
The difference was that Ying Zheng dreamed of unifying the world, while Xi Dan only wanted revenge against Zhao
and wished for their respective nations to remain independent.
The justification for unification was that despite the great sacrifices of war, it would create a world without war,
a peaceful world.
The latter argued that peace could be maintained if they simply did not interfere with one another.
Honestly, deciding which path is right is a difficult task and a complex issue.
Xi Dan sent the assassin Jing Ke to attempt to assassinate Ying Zheng.
This is the history behind the famous "Biography of the Assassin Jing Ke."
It is said that among nearly 200 countries in the world, only the Korean Peninsula is a divided nation.
Even if South Koreans were to vote, there might be more opposition to unification.
It is the sentiment of "even if we share the same blood, let's just live our own lives..."
Nevertheless, personally, even if unification entails costs and sacrifices,
I support unification policies.
If only for the sake of my descendants in the distant future when I am gone...