Over two nights, 20 Democratic candidates for the 2020 US presidential election faced off at the first primary debate in Miami.
China was on the agenda, with several calling it America's greatest geopolitical threat.
This is what the presidential hopefuls have said about the China challenge:
Tim Ryan, congressman, Ohio
When asked whether he could promise that manufacturing jobs would return to places like Ohio, Ryan said:
"Yes, I believe you can, but, first, let’s say the president came,…