agriculture, iticked up 200% in the last decade. value, that was around 20.2 u.s.illion dollars by the end of 2015. some of the biggest imports since things like soybeans, maize, animal hies. could be inflicted, because china is looking at increasing tariffs on ethanol to 30%. little wonder that the biofuel industry will be pressuring trump to take action on this to his chinese counterparts to an area of contention. this is a clear pressure point the chinese could use his could use if-- trump acts on these tariffs. in 2016, china extended u.s. imports tariffs on chicken. that was seen as a retaliatory measure after the was put a tears on chinese tires. the other thing to point out is that the u.s. is currently drawing up a case that it wants to bring to the world trade organization on alleged subsidies being used in the aluminum sector in china that it dumped on the u.s. market, pushing down prices. it can be much one of those things that gets out of control. this is a two-sided street. thank you very much. that is our own tom mackenzie from beijing. more on these