I wonder if your conception is a bit too focused on nationalism in the USA and ignores the internationalist/financial pressure pressure for low wages and control over people's body more than is currently possible in the USA outside the prison industrial complex.

Nigeria for example is a huge country that will grow quite well for the next decades till the effects of climate change will make it much harder to live there, which will bring lower agricultural output with it and the instabilities caused by climate change, political instability (according to OP's text etc.). Could be - just like Mexico or special development zones in the USA be used for cheap labour. Which Awoo did hint at in another comment (that just because labour due to isolationist economy is more needed, doesn't mean it will immediately win).

I would also ask what degree of separation from the dollar you think is possible with oil/gas and gold which are convertible in foreign trade quite well. So my question would in addition be what are the fundamental texts or competencies of yourself you use to draw for your outlook (don't dox yourself though).