Why was Star Wars Episode 4 made first?

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Tags

1. #system
2. #episode
3. #called
4. #renamed
5. #however
6. #prequel
7. #phenomenon
8. #because
9. #numerical
10. #would
11. #trilogy
12. #while
13. #lucas
14. #become
15. #plans
16. #later
17. #strikes
18. #empire