While we probably should have done a vote: A) the USSR which controlled the North would have done a sham vote B) A bad border does not justify invasion

No one in power wants it to collapse: Kim Jong-un knows he will go from absolute power to executed for crimes against humanity if he loses China doesn’t want South Korea and this the US on its border South Korea doesn’t want to deal with having to bring millions of people to the present as the money needed would destroy their economy The US doesn’t want to deal with the fighting and economic devastation

Because no one wants it to collapse: Kim Jong-un knows he will go from absolute power to executed for crimes against humanity if he loses China doesn’t want South Korea and this the US on its border South Korea doesn’t want to deal with having to bring millions of people to the present as the money needed would destroy their economy The US doesn’t want to deal with the fighting and economic devastation

Not sure if this is a “/s” but North Korea did invade South Kore then the UN authorized a force to fight back