Why did Israel attack Lebanon in 1982?

Related questions

1. What happened to Lebanon?
2. Can I go to Israel with a Lebanese stamp?
3. Can you go to Israel with a Lebanese stamp?
4. Is Lebanon Palestine?
5. Is Lebanon an ally of the US?
6. Is Lebanon a free country?
7. Is Lebanon a Islamic country?
8. What is the main religion in Lebanon?
9. What ethnicities are considered white?
10. Is Lebanon a good place to live?

Tags

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