displaced in shelters. while those who have been able to come back face a long and tough road trying to rebuild their district and their lives. fred pleitgen, cnn, eastern ghouta, syria. two nations trading jabs. the presidential rhetoric gets heated as fears of a u.s./china trade war grow. plus this it s a matter of concern when your largest soybean export customer is having negotiations with your government. the real effect of a possible trade war already being felt in farms across the united states. stay with us.
the new york stock exchange. surely the impact of all this is being felt on wall st t street, but also on farm across the united states. if china follows through on its threat to raise tariffs on farm produce, many of the states that will be affected are those that voted for the u.s. president, one of those states, the state of iowa. and that is where we find martin savidge with this story. reporter: this could be america s next warzone. iowa. if a trade war between the u.s. and china breaks out, then america s heartland is on the front lines. and ron heck s farm will be one of the many battlefields. how worried are you? it s a matter of concern when your largest soybean export customer is having negotiations with your government. reporter: and president trump s take no prisoner negotiating style is worrying the rural constituency that helped put him in the white house. i have some concerns with the president. reporter: china is threatening to put a 25% tariff
your largest soybean export customer is having negotiations with your government. reporter: and president trump s take no prisoner negotiation style is worrying the rural constituency that helped put him in the white house. i have some concerns with the president. reporter: china is threatening to put a 25% tariff on all soybeans. the result of all iowa soybean farmers has been stomach churning for a crop that hasn t even been planted yet. i grow 125 bush he wiels. a year. that s $50,000, so that s a big deal. in the united states, one of three rows you see driving down the road will end up in china. reporter: he s a sixth generation farmer in his family, and like many, he s hoping the tariff threats don t become a reality. i want to encourage both governments to continue the