Notth Korea could kill millions of citizens in South Korea before we took out their guns. It is impossible to take them all out in time. That is the main thing holding us back.
North Korea didn't fight the US with guerilla warfare. They attacked traditionally and almost drove the US and South Korean forces off of the peninsula.
Edited: Kyrroeth on 9th Dec, 2017 - 6:10pm
That was after China joined in on the Northside side. I have talked to many people who were in country during the war and I was even there for two years in the 80's and the things I have found out makes me wonder. If the North attacks yes many people will die and then the North side will be gone.
Former general says he knows how powerful North Korea's military is. I.-B. Chun is one of the most distinguished officers in South Korea’s military history. Source 4z.
And that's the reason we haven't seen any engagements yet. To break North Korea would mean bombing the entire country night and day plus taking out Kim.