A substantial decline in the value of the US dollar is required to bring the US trade account into balance. That means a huge devaluation and a loss of its reserve status among oil producers and central banks.
It means a huge increase in inflation of imported goods into the US during the lengthy transition. It means a huge increase in taxes on income and wealth for U.S. citizens. It means a wholesale liquidation of debt and equities followed by hyperinflation. It means social and political unrest. It means an end of an empire.