Petrodollar: the system propping up US hegemony and driving wars
In 1971, Richard Nixon broke the dollar's convertibility into gold, removing the last physical anchor of the American currency. To ensure the world kept demanding dollars, Washington struck a strategic deal with Saudi Arabia: Saudi oil would be sold exclusively in dollars in exchange for military protection. The rest of OPEC fell in line, and the petrodollar system was born. Since then, every barrel of crude traded worldwide reinforces global demand for dollars, allowing the US to finance its debt and wield unprecedented power. But this mechanism does more than prop up the American economy; it also explains conflicts like the one with Iran, the empire's true Achilles' heel.
The 1973 deal: oil for protection
The agreement with Riyadh transformed the energy and geopolitical landscape. In exchange for selling crude only in dollars, Saudi Arabia received military and political guarantees that have endured for decades. Any country wanting to buy oil must first get hold of dollars, feeding a perpetual cycle of demand for the American currency. The system turns the dollar into the ultimate financial weapon: sanctions, such as those imposed on Iran or Russia, work because they cut off access to the currency that drives global trade.
Iran: the piece that could break the board
Analyzing the petrodollar sheds light on the current tension with Iran. If Tehran managed to sell its oil in other currencies –yuan, ruble or gold–, the dollar's monopoly would start to crumble. That is why any Iranian attempt to bypass the petrodollar is treated in Washington as an existential threat. The war is not fought only over the nuclear program, but over preserving the mechanism that keeps the US on top. The majority view holds that the conflict is essentially economic, while alternative currents argue that nuclear deterrence and military power are the real guarantors of security, and that the petrodollar is just one more tool in the American arsenal.
De-dollarization: the storm ahead
In recent years, countries such as China, Russia and even some OPEC members have explored alternatives to the dollar. The BRICS are moving toward their own currency, and bilateral trade in local currencies is growing. The unresolved debate is whether the petrodollar system is invulnerable or whether its erosion is only a matter of time. What is clear is that, since 1973, the dollar has been the most devastating weapon of American power –more than any aircraft carrier–, and any direct challenge to this system is met with force.
The question left hanging is how long the US can keep this scheme going without open wars. The petrodollar is a system as secret as it is effective, but its sustainability depends on the world failing to find a viable alternative. And that search has already begun.
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