What was selective availability and why was it discontinued?

Related questions

1. What is the meaning of selective availability in GPS?
2. What is GNSS survey?
3. What is anti spoofing in GPS?
4. What frequency does GPS use?
5. What is an RNAV route?
6. When was GPS selective availability off?
7. How accurate is GPS in Australia?
8. What is an intermediate fix?

Tags

1. #civilian
2. #degradation
3. #public
4. #providing
5. #states
6. #house
7. #system
8. #positioning
9. #united
10. #transmitted
11. #signals
12. #satellites
13. #military
14. #discontinue
15. #users
16. #available
17. #intentional
18. #white
19. #accuracy
20. #global
21. #announced
22. #availability
23. #navstar
24. #selective