Interesting thing to note when considering the volatility of the US dollar from a geopolitical perspective is that while China holds the majority of US debt China and the US are in an openly declared trade war and in observance of the massive military games by every metric a quickly heating Cold War. Factor in Brics and the nature of 21st century warfare and the US dollar could mirror that of the Deutschmark of the Weimar Republic. Good video, Resteemed