In the past, slavery was prominent in the South but most people in the North opposed slavery
And on 1860, Abraham Lincoln was elected as president, a big anti-slavery person.
We can talk, but only if you agree with our conditions.
Sources used https://www.rand.org/pubs/tools/TL271.html https://www.cfr.org/interactive/global-conflict-tracker/conflict/north-korea-crisis https://cftni.org/recent-events/the-north-korea-cr https://www.history.com/topics/american-civil-war/american-civil-war-history
Finally, Fort Sumter was attacked by the South and the civil war.
North Korea has been testing many nuclear weapons which has been alarming South Korea and the U.S
America and South Korea want to talk with North Korea and a former U.S. Special Envoy to the Six Party Talks with North Korea, Joseph DeTrani, said that he only wants to talk if North Korea denuclearizes themselves and also to stop violating human rights