What is the problem between North Korea and South Korea?

Related questions

1. Are there still POW camps in Vietnam?
2. Why is the Korean War called the forgotten war?
3. Does Bufferbloat affect gaming?
4. Why is Bufferbloat bad?
5. Should you enable DMZ?
6. Can an Indian visit North Korea?
7. What is DMZ train?
8. Should DMZ servers have internet access?
9. Why is the DMZ important?
10. What servers are placed in DMZ?

Tags

1. #tensions
2. #series
3. #level
4. #1960s
5. #known
6. #clashes
7. #armed
8. #korean
9. #between
10. #north
11. #escalated
12. #national
13. #conflict
14. #liberation
15. #declared
16. #south