Why Trump's North Korea sanctions make business with China tricky

U.S. sanctions on North Korea have been in effect for decades and as a result, most American business leaders today have had to pay little or no attention to their impact or implications. In 2008, the North Korea sanctions program intensified and grew.

Now, the Trump administration appears to be further expanding prohibitions by specifically targeting Chinese firms. These conditions, called “secondary sanctions,” mean U.S. businesses could experience the economic effects of our strained relationship with North Korea for the first time.