Most people think the modern world is the result of WWII.
The more educated people know that WWII is really the result of WWI.
The economically literate people know that WWI is really the result of ...
Clean causal chains are seductive, but the arrow may point backward: the classical gold standard was dominant in 1914, and it was the war itself that pushed belligerents to suspend convertibility. Fiat financing prolonged and paid for wars; claiming it started this one needs more evidence. Money is a motive, not often the trigger.