The US and China are the two largest economies in the world. They have the two most powerful militaries in the world. The US-China rivalry, in the view of many international analysts, will be the defining global theme of the 21st Century. But at the moment, only one of the two major party presidential candidates is regularly talking about US-China policy - as he has done consistently for years.
According to a review by BBC Verify, Republican presidential nominee Donald Trump has mentioned China 40 times in his five rallies since the presidential debate earlier this month. In just one hour at a town hall forum last week in Michigan, he brought up the country 27 times.