World War I has been referred to as the "war to end all wars" and ended with 10 million casualties. It was the first global war of the 20th century and also the first war to feature highly mechanized warfare--including tanks, airplanes, and poison gas. As a result of this cataclysmic event, great empires crumbled and new nations sprang into being. The political aftershocks of the "Great War" are still felt today from Palestine to the Balkans. World...