 Complete the following phrase:  In 1917, the 19th Battalion was involved in the attack on German forces after their retreat to the Hindenburg Line. The battalion also took part in three other major battles in 1917, Second Bullecourt, Menin Road and Poelcappelle in Belgium. In 1918 the battalion helped to repel the German spring offensive, and it was during this time, on 7 April 1918, that Lieutet Percy Storkey earned a Victoria Cross for his actions during the fighting in Hangard Wood. Following this, the battalion took part in the Allied 