Alternate payment systems for global trade are being created right now, and could affect the US dollar very rapidly. Russia, China, Turkey, Iran and others are buying physical gold. When there's no trust in the other party then there is gold.
Sound money makes a sound empire because the population has something it can rely on, and the market can move as a true free market. Win-win.
Gold is being informally pegged to the IMF's world money. Just another day in a Global Monetary Reset.