In retrospect, the major difference between World War I and the previous limited wars was neither geopolitical nor strategic, but rather, it was monetary. When governments were on a gold standard, they had direct control of large vaults of gold while their people were dealing with paper receipts of this gold. The ease with which a government could issue more paper currency was too tempting in the heat of the conflict, and far easier than demanding taxation from the citizens. Within a few weeks of the war starting, all major belligerents had suspended gold convertibility, effectively going off
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