Imposing sanctions has become the Trump administration's go-to move to signal to the country and the world that it's doing something about a problem.
After President Donald Trump said he had called off a military strike on Iran shortly before it was to begin, he followed up by imposing new sanctions. This comes on top of the Obama-era sanctions he reimposed on Iran after pulling out of the Iran nuclear agreement.
The sanctions are barely felt in the US, but their effect on Iran -- barring US companies from doing business there and prohibiting access to the US banking system -- has contributed to a crippling economic situation.
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