 Their success relied heavily upon the leadership and initiative of junior commanders and the ability of soldiers to employ principles of fire and manoeuvre.This lull did not last long, however, as the Allies were soon ready to launch their own offensive, known as the Hundred Days Offensive, which would ultimately bring about an end to the war.The offensive began on 8 August 1918 when 20 Allied divisions, including four Australian, struck at Amiens on the Somme.