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The US isn’t forcing anyone else to use USD. People around the world use USD because they are confident it will help them buy products and services they want in the future.

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This. Fundamentally, the USD is the global reserve currency because the US is seen by the rest of the world as the most stable entity able to guarantee the future value of its currency: It's militarily powerful enough to guarantee its independence, and legally predictable as a "rule of law" nation and a stable democracy. If you want to park your assets anywhere, the safest bet is US treasuries. Everything else follows from that.

Or because they designed they currency and economy to get there.

Then one orange guy took about 3 months to break the trust they built into their currency for many many years.

> The US isn’t forcing anyone else to use USD.

I disagree. The petrodollar is a thing.

What kind of force is the US using to force oil sellers to only accept USD (assuming they only accept USD).

Are Canada and Russia and Iran only accept USD for their oil sales?

https://www.investopedia.com/articles/company-insights/08231...

> What kind of force is the US using to force oil sellers to only accept USD

Ask Saddam Hussein, Hugo Chavez, or Muammar Gaddafi

20% of oil is traded in currencies other than the US dollar.

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