Why did children of the forest create White Walkers?

Related questions

1. Why do the white walkers take babies?
2. Who are Arya by caste?
3. What do the white walkers want?
4. What is the Dothraki language based on?
5. What does the name Sansa mean?
6. Who is the leader of the Night Walkers?
7. Why were the white walkers created?
8. Why does Valyrian steel kill White Walkers?
9. What race are the Dothraki?
10. What is the Dothraki sacred city called?

Tags

1. #protection
2. #dragonglass
3. #chests
4. #daggers
5. #sacred
6. #pressed
7. #thousands
8. #white
9. #slaughtering
10. #tribe
11. #children
12. #create
13. #their
14. #years
15. #these
16. #created
17. #against
18. #cutting
19. #first
20. #walkers
21. #forest
22. #trees