The front in Palestine ran from the Mediterranean to the southern end of the Dead Sea, and the defenders of Baghdad had a flank on the Tigris River. The Western Front ran southward from Belgium until near Laon, where it turned east to pass Verdun before again turning south to end at the Swiss Border. The remaining German enclaves in Africa were beyond his reach; an attempt to resupply them by dirigible failed. The Central Powers were surrounded and outnumbered.