 Complete the following phrase:  At the outbreak of the Second World War, due to the provisions of the Defence Act 1903 which precluded sending the Militia outside of Australian territory to fight, it was decided to raise an all volunteer force for overseas service. This force was known as the Second Australian Imperial Force 2nd AIF. The infantry units of the 2nd AIF adopted the same designations as those of the 1st AIF, with the prefix numeral 2 in front to differentiate them from the Militia battalions that continued to exist. As result, during the war there were two battalions to bare the numerals 11th Battalion. The a href211th20Battalion2028Australia29211th Battaliona was attached to the 6th Division and served in the Western Sahara, Greece, Crete and the 