At a British conference on 13 October, the Third Army (General Julian Byng) scheme for an attack in mid-November was discussed. Byng wanted the operations at Ypres continued, to hold German troops in Flanders. The Battle of Cambrai began on 20 November and the British breached the first two parts of the Hindenburg Line, in the first successful mass use of tanks in a combined arms operation. The experience of the failure to contain the British attacks at Ypres and the drastic reduction in areas of the western front that could be considered "quiet" after the tank and artillery surprise at Cambrai, left the OHL with little choice but to return to a strategy of decisive victory in 1918. On 24 October, the Austro-German 14th Army ( Otto von Below), attacked the Italian Second Army on the Isonzo at the Battle of Caporetto and in 18 days, inflicted casualties of and In fear that Italy might be put out of the war, the French and British governments offered reinforcements. British and French troops were swiftly moved from but the diversion of resources from the BEF forced Haig to conclude the Third Battle of Ypres short of Westrozebeke; the last substantial British attack took place on 10 November.