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Chokepoints summary

Edward Fishman

How the Global Economy Became a Weapon of War

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Chokepoints by Edward Fishman examines the strategic significance of global shipping chokepoints. It delves into the geopolitical, economic, and national security implications of these critical maritime passages, emphasizing their impact on world trade dynamics.

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Chokepoints
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Setting the scene

Today’s systems of economic warfare rest largely on the dominance of the US dollar. But how did it come to dominate in the first place?

The story begins in the early 1970s, when the global economy was still defined by Bretton Woods. The Bretton Woods system pegged the dollar to gold at a fixed rate, and all other currencies to the dollar. It was designed to foster global financial stability.

However, the system was starting to crumble.⁠ Countries like Britain and France began to doubt the US’s ability to trade back their gold at the fixed rate and demanded it back. Faced with the risk of empty coffers, President Nixon made a shocking decision. He declared that, rather than return the gold, he would end dollar-gold convertibility entirely. 

The move seemed like a massive relinquishment of power. The dollar would now “float” like all other currencies, its value tied to the whims of the market.

Instead, it ended up paving the way for a new kind of dominance. In 1973, facing a major deficit and an oil embargo, the US struck a bargain with Saudi Arabia. In exchange for military assistance and continued oil purchases, the Saudis would reinvest their oil revenues in US Treasury bonds –⁠ effectively recycling their profits into US debt. 

Other petroleum exporters soon followed. Thanks to this system, oil is still priced in dollars –⁠ and foreign countries still finance American deficits. Every major economy needs dollars to buy oil. And those dollars must pass through American-controlled banks and payment systems. As a result, 90 percent of all foreign exchange transactions involve the dollar.

For years, US officials hesitated to weaponize this dominance, fearing it would erode trust. That calculus changed after 9/11. Tasked with “starving terrorists of funding,” the US Treasury Department gained sweeping new powers to blacklist individuals, banks, and entire regimes from the US financial system. 

One remarkable use of that power came in 2005, when it targeted Banco Delta Asia, a small bank in Macau funnelling North Korean cash. Treasury signaled that the bank, and any institution doing business with it, could lose access to the US financial system. In response, authorities in Macau froze $25 million in North Korean funds and seized the bank itself to prevent a run. Banks across Asia scrambled to sever ties with Pyongyang. One North Korean official reportedly admitted, “You Americans finally found a way to hurt us.” 

The episode hinted at the ways in which Washington could weaponize global finance. But the real test was yet to come.

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What is Chokepoints about?

Chokepoints (2025) is a riveting, thought-provoking, thorough tale of how the United States has transformed economic warfare in the modern age. It shows how sanctions, asset freezes, and export controls have reshaped geopolitics, from crippling Iran’s oil profits to gutting China’s technological ambitions. Finally, it proves that in a world supposedly governed by market forces, it’s state power that ultimately reigns supreme.

Who should read Chokepoints?

  • Anyone fascinated by global affairs and economic statecraft
  • Economics and history buffs
  • Fans of political drama
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About the author

Edward Fishman is a Senior Research Scholar at the Center on Global Energy Policy and teaches in the department of International and Public Affairs at Columbia University. Previously, he served in various economics policy-related roles at the US State Department, the Pentagon, and the US Treasury Department. He was a member of the Iran sanctions team at the State Department and was the first Russia and Europe lead in the State Department’s Office of Economic Sanctions Policy and Implementation. His writing has appeared in many publications, from The New York Times to Politico, The Wall Street Journal, and beyond.

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