Why did the capital of Egypt change?

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Tags

1. #memphis
2. #because
3. #changed
4. #thebes
5. #fertile
6. #delta
7. #states
8. #further
9. #disintegrated
10. #multiple
11. #ancient
12. #egypt
13. #valley
14. #egyptian
15. #south
16. #upper
17. #rival
18. #strip
19. #kingdom
20. #above
21. #capital