China's hundred billion reasons to dislike the US

Maybe this is why China blocked US ships from entering Hong Kong ...

Dyer- The US Dollar: The Long Farewell

...China, which was sitting on about a trillion US dollars, simply lost several hundred billion as the currency's value fell....

So, does this mean China has just paid a large chunk of the costs of America's adventures in Iraq?

That might engender a certain amount of unhappiness.