Why did Jon Snow die season5?

Related questions

1. What season does Ned Stark die?
2. Why did they kill Ned Stark?
3. Do the Direwolves die in Game of Thrones?
4. How did Bran's wolf die?
5. What did Lyanna Stark whisper to Ned?
6. Why did the night's watch kill Jon Snow?
7. Who killed Renly Baratheon?
8. What happens to the youngest Stark boy?
9. Does Sansa marry Littlefinger?
10. How long is got season 3?

Tags

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14. #everyone
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16. #watch
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19. #walkers
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21. #breaking
22. #point