I'm not really sure what your point is. I assume you are saying the US can have a thriving economy and not be the global reserve currency? If so, a couple of points:
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The US's debts will come due as it loses global reserve currency status. Do you think it can pay those debts?
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US and other capitalists outsourced production to China due to the lack of collectively bargained labour agreements and environmental protections. It was cheap. Are you saying the US could 'Make America Great Again' by making it a sweatshop!? Because I don't think that is what Trump voters had in mind for themselves.
Here are the four points the bbc is reporting, which are completely different to yours. https://www.bbc.com/news/live/cn5220x56pqt
To keep military aid flowing into Ukraine while the war is ongoing, and increase economic pressure on Russia
Any lasting peace must ensure Ukraine's sovereignty and security, and Ukraine must be at the table for any peace talks
In the event of a peace deal, European leaders will aim to deter any future invasion by Russia into Ukraine
There would be a "coalition of the willing" to defend Ukraine and guarantee peace in the country