Information: - General Sir Walter Pipon Braithwaite , GCB ( 11 November 1865 -- 7 September 1945 ) was a British general during World War I. After being dismissed from his position as Chief of Staff for the Mediterranean Expeditionary Force , he received some acclaim as a competent divisional commander on the Western Front . After the war , he was commissioned to produce a report analyzing the performance of British staff officers during the conflict . - The Mediterranean Expeditionary Force (MEF) was part of the British Army during World War I, that commanded all Allied forces at Gallipoli and Salonika. This included the initial naval operation to force the straits of the Dardanelles. Its headquarters was formed in March 1915. The MEF was originally commanded by General Sir Ian Hamilton until he was dismissed due to the failure of the 29th Division at Gallipoli. Command briefly passed to General William Birdwood, commander of the Australian and New Zealand Army Corps, but for the duration of the Gallipoli campaign it was General Sir Charles Monro who led the MEF. - The British Army during World War I fought the largest and most costly war in its long history. Unlike the French and German Armies, the British Army was made up exclusively of volunteersas opposed to conscriptsat the beginning of the conflict. Furthermore, the British Army was considerably smaller than its French and German counterparts. - Field Marshal William Riddell Birdwood, 1st Baron Birdwood, (13 September 1865 17 May 1951) was a British Army officer. He saw active service in the Second Boer War on the staff of Lord Kitchener. He saw action again in the First World War as Commander of the Australian and New Zealand Army Corps during the Gallipoli Campaign in 1915, leading the landings on the peninsula and then the evacuation later in the year, before becoming Commander-in-Chief of the Fifth Army on the Western Front during the closing stages of the war. He went on to be General Officer Commanding the Northern Army in India in 1920 and Commander-in-Chief, India, in 1925. Given the information above, choose from the list below the object entity that exhibits the relation 'military branch' with the subject 'walter braithwaite'. Choices: - british army - new zealand army
The answer to this question is:
british army