The petrodollar system was set up by Kissinger in circa 1975 to drive up the demand for U.S. dollars.
In 1971 the U.S. went bankrupt from the costs of the Vietnam War and the U.S. could no longer afford to pay its foreign creditors in Gold at $35 per ounce. So Nixon took the U.S. off the Gold Standard and floated the dollar.





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