 Complete the following phrase:  In 1939, the increased threat of conflict with Nazi Germany amplified the Canadian governments level of concern for the general safety of the memorial. Canada could do little more than protect the sculptures and the bases of the pylons with sandbags and await developments. When war did break out in September 1939, the British Expeditionary Force BEF deployed to France and assumed responsibility for the Arras sector, which included Vimy. In late May 1940, following the British 