 Complete the following phrase:  The offensive of the Central Powers was stopped by Italy at the Battle of Monte Grappa in November 1917 and the Battle of the Piave River in May 1918. Italy took part in the Second Battle of the Marne and the subsequent Hundred Days Offensive in the Western Front. On 24 October 1918 the Italians, despite being outnumbered, breached the Austrian line in 