Why is there a sword on the Saudi flag?

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Tags

1. #national
2. #reads
3. #symbolizes
4. #flags
5. #right
6. #inscription
7. #should
8. #importance
9. #other
10. #commonly
11. #green
12. #either
13. #islam
14. #arabic
15. #underlining
16. #correctly
17. #shahada
18. #scripts
19. #confused
20. #saudi
21. #sword