Week 82: The Ghost of the Lusitania - Russia Takes Erzurum

The sinking of the Lusitania is still causing diplomatic tensions between Germany and the USA. While the Germans insist they were forced by the British blockade to adopt unrestricted submarine warfare, the Americans think otherwise. In the meantime the Russian Army is taking Erzurum in the Caucasus and the big offensive at Verdun is delayed for a week.