Why did Israel invade Lebanon?

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Tags

1. #palestine
2. #lebanese
3. #during
4. #siege
5. #conflict
6. #lebanon
7. #mostly
8. #beirut
9. #invaded
10. #again
11. #israel
12. #killed
13. #israeli
14. #between
15. #people
16. #organization
17. #began
18. #civilians
19. #purpose
20. #liberation
21. #sources
22. #according
23. #attacking