Why railroad track is the width it is?

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Tags

1. #because
2. #given
3. #answer
4. #eventually
5. #accommodate
6. #railroads
7. #romans
8. #created
9. #track
10. #england
11. #railroad
12. #standard
13. #patriots
14. #gauge
15. #built
16. #their
17. #inches
18. #chariots
19. #tracks
20. #english