'Australia is at War' is a primary source from the year 1939 and is a speech by the famous Prime Minister Robert Gordon Menzies (1894 – 1978). This speech was given at the start of the Second World War to declare Australia's participation and assistance to its “Mother Earth”, Great Britain. World War II was developed and started by the infamous Adolf Hitler, a well-known German leader and leader of the Nazis. The German invasion of Poland kicked off Britain's move towards force rather than its original approach of negotiations and peace, as stated in Prime Minister Menzies' speech, “they [Britain] kept the door of negotiations; they gave no reason for provocation." So the purpose of this source, Menzies' speech, broadcast on national radio, was to inform Australia of the drastic measures that needed to be taken against Germany in defense of her Mother Earth. As Australia had only declared federation thirty-eight years earlier, Britain was still called "Mother Earth", as it was still largely dependent on it, concluding that when Britain declared war on Germany, as a result, Even Australia was at war. From Australia's contribution to Great Britain began the rise of various army reinforcement groups such as the AIF (the Australian Imperial Force), the RAAF (Royal Australian Air Force), the RAN (Royal Australian Navy) and many others. Prime Minister Menzies announced this speech to an all-Australian radio broadcast to enlighten the nation about the start of the Second World War, Australia's involvement and the circumstances of this catastrophe which affected the entire world. Robert Menzies was born on 20 December 1894 in Victoria, Australia, a...... middle of paper......"Australia is at war" speech given by Prime Minister Robert Menzies at the outbreak of the Second War World in 1939 is a reliable and accurate primary source. The national announcement broadcast by Menzies himself was addressed to Australia about their forces joining and aiding Britain in the war against Hitler and Germany. The work of justifiable historians and authors such as Joan Beaumont, Allen Martin, and Christopher Waters confirms the content and purpose of Robert Menzies' speech to show its accuracy and reliability. Works Cited Beaumont, Joan. The Australian War 1939-45. Sydney: Southwood Press, 1996. Martin, Allen William. Robert Menzies: a life. Melbourne: Melbourne University Press, 1993.Waters, Christopher. "The Menzies Government and the Grand Alliance in 1939". Australian Journal of Polotocs and History 56.4 (2012): 560-573.