Why did France fall so easily to the Nazis?

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Tags

1. #allied
2. #defeated
3. #operations
4. #mobile
5. #bringing
6. #netherlands
7. #luxembourg
8. #belgium
9. #weeks
10. #italy
11. #western
12. #entered
13. #front
14. #france
15. #until
16. #invaded
17. #german
18. #conquered
19. #forces