11. The most immediate threat to the Allies during the Phoney War period was the U-Boat. 12. This was during the phoney war , before the fighting on land and air had begun. 13. By now it was clear to all concerned that the Phoney War was about to end. 14. On 10 May the stalemated Phoney War ended with a sweeping German invasion of the Benelux. 15. The ship spends a relatively quiet Christmas in the north of Scotland during the Phoney War . 16. This period became known as the Phoney War . 17. "This is still a phoney war , " said Nigel Utley, an analyst at Greig Middleton & Co. 18. After the eight-month Phoney War , the Germans launched their offensive in the west on 10 May 1940. 19. The dormant conflict of the Phoney War is reflected in the activity of the novel's main characters. 20. On 10 May the Phoney War came to a close with the German invasion of Western Europe.