The US refinances its debt, and the US can start to onshore work. It will also help to re-establish the $ as the primary reserve currency.
It’s a gamble and may not work, but I think it will and within 2 years market will be up. More to it than that, but he’s attempting to use the levers He has to undue the damage done by Covid $ and re-establish a more even trade balance with our partners while re-establishing US monetary dominance.