 Complete the following phrase:  The 70th Brigade was first raised in September 1914, shortly after the beginning of the First World War, as part of the 23rd Division. Consisting of men volunteering for Kitcheners Army, the brigade, after initially experiencing severe difficulties in training the men, due to a shortage of weapons and equipment, was sent to reinforce the British Expeditionary Force BEF on the Western Front in August 1915, later fighting, most notably, in the battles of the 