Im aware abt the south korean troop buildup, border clashes, that the peninsula being split in the first place was due to US meddling and the fascism, mass murders and rebellions in the south but im struggling to tie it together in a way that 1) fully makes sense 2) that id be able to explain to a normie without sounding like 
Also, if u have specific articles/sources abt the border clashes and general escalation from the south, id rly appreciate that 
Tyvm!
Important note I unfortunately forgot in my comment (though hopefully is obvious enough in context), The People's Republic of Korea and The Democratic People's Republic of Korea are 2 separate entities. I think it's noted in one of the prolewiki links but just to be more clear.