Petrodollar Warfare: The Common Thread Linking US Aggression Against Venezuela and Iran
https://www.mintpressnews.com/petrodollar-warfare-the-common-thread-linking-venezuela-and-iran/255123/ 

At its root, a currency has power because people believe it does. As belief in and fealty to the dollar continue to erode, we can expect the U.S. to fight, brutally when deemed necessary, to maintain the status quo that made it an empire.

by Kei Pritsker and Cale Holmes