Why is there conflict between Armenia and Azerbaijan?

Related questions

1. How do you call Azerbaijan?
2. Is Azerbaijan developed?
3. What are the people of Azerbaijan called?
4. Was Azerbaijan part of the Persian Empire?
5. Is Azerbaijan a part of Russia?
6. How does Azerbaijan make money?
7. Was Croatia part of the Soviet Union?
8. Was Croatia a part of Yugoslavia?
9. Is Azerbaijan oil rich?
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Tags

1. #resulted
2. #karabakh
3. #conflict
4. #territory
5. #azerbaijan
6. #massacres
7. #known
8. #became
9. #resulting
10. #ended
11. #independence
12. #ceasefire
13. #facto
14. #along
15. #nagorno
16. #region
17. #countries