The Great War, better known in history as the First World War, was a confrontation that took place originally in Europe but that escalated to proportions unknown until that time, with the involvement in the conflict of nations outside of the European continent. Initiating in 1914 and ending in 1918. The triggering factor that led to this war was the assassination of Archduke Franz Ferdinand in Sarajevo by a Serbian nationalist. However, there were deeper and darker factors that caused this war, among which were, the constant struggle between the European powers to have the upper hand over the others, and also, political differences. Many were the immediate results of this Great War, not least of which was the immense loss of lives from both conflicting sides. But there were also political and economical consequences that came afterwards. Politically, there was the disolusion of several of the greatest empires, the establishment of new powers and the economical welfare and empowerment for some allies who fought in the war, while others suffered greatly. For the United States, Britain and Italy, there was a growth in GDP and an economic boom, that laster for a while, until the 1920´s, whereas for Germany, France, Russia, and others, it was a hard economic moment. The correct answer here is: D: economic prosperity.