How did Switzerland remain neutral ww2?

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Tags

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2. #generally
3. #switzerland
4. #suffered
5. #banking
6. #allowed
7. #neutral
8. #allies
9. #because
10. #centrally
11. #during
12. #difficulties
13. #blockaded
14. #therefore
15. #first
16. #swiss
17. #neutrality
18. #industry
19. #world
20. #undamaged
21. #growth
22. #state
23. #however
24. #armed
25. #located