What was the reason for the battle of Passchendaele?

Related questions

1. What did the Battle of Passchendaele achieve?
2. How many people fought in the Second Battle of Ypres?
3. How many New Zealand soldiers died in Passchendaele?
4. How many Canadians died in Passchendaele?
5. How many Battle of Ypres were there?
6. Was the Gallipoli campaign successful?
7. What happened at the First Battle of Ypres?
8. Why was the second battle of Ypres significance?
9. Was the Battle of Passchendaele a success?
10. What was the point of Passchendaele?

Tags

1. #fought
2. #dutch
3. #village
4. #secure
5. #passchendaele
6. #flanders
7. #enemy
8. #control
9. #purpose
10. #ypres
11. #belgian
12. #commanded
13. #front
14. #battle
15. #allies
16. #named
17. #leaders
18. #belgium
19. #british
20. #lines
21. #connect
22. #coast