 Complete the following phrase:  Part II of Volume III starts with the invitation of the Prime Minister Lloyd George to rejoin the government on 16 July 1917 as either the Ministry of Munitions which he chose or the newly created Air Ministry. He says that to the end of 1915 the resources of Britain exceeded the ability to use them; megalomania was a virtue and so was adding one or two noughts to orders. By now, after three years twenty months the island was an arsenal with the new national factories beginning to function. But the fighting fronts now absorbed all the production. The Admiralty had not been affected by the munitions crisis of 1915, and Admiralty requirements had priority. France and Italy also had entitlements. The chapters on the fighting fronts start with victory over the U-boats, then the need to save Italy from collapse after the 