North and South Korea commit to 'era of no war'
https://amp.cnn.com/cnn/2018/09/18/asia/north-korea-south-korea-summit-intl/index.html
Separation on Korean Peninsula was caused by conflicts between communism and capitalism. After the end of Cold War, China and Russia transformed their countries into actual capitalism, and has weakened attitude to support North Korea.
So, conflicts between both Koreas actually became internal issues.
So, it will be dependent on them to decide what to do about their future.
