What is the purpose of the demilitarized zone in Korea?

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Tags

1. #parallel
2. #cease
3. #roughly
4. #following
5. #region
6. #korean
7. #incorporates
8. #south
9. #north
10. #existed
11. #demilitarized
12. #korea
13. #demarcates
14. #peninsula
15. #territory
16. #sides