Why is Switzerland neutral?

Related questions

1. Why is meat so expensive in Switzerland?
2. Which are the 28 EU countries?
3. Will UK remain in the EEA after Brexit?
4. How long can you stay in Switzerland?
5. Why is it so expensive to live in Switzerland?
6. Can I use euros in Croatia?
7. How did Switzerland remain neutral ww2?
8. Are Norway and Switzerland in the Customs Union?
9. How many countries are in the EFTA?

Tags

1. #world
2. #external
3. #treaty
4. #security
5. #imposed
6. #participated
7. #policy
8. #oldest
9. #military
10. #designed
11. #armed
12. #established
13. #promote
14. #ensure
15. #peace
16. #permanent
17. #since
18. #switzerland
19. #foreign
20. #paris
21. #neutrality