A farmer holds soybean from the 2018 harvest, on May 5, 2019, at her farm in Scribber, Nebraska. - Among the top 15 US states exporting to China, many have been hit hard by China's retaliatory tariffs on soy, pork or in the aviation sector. (Photo by Johannes EISELE / AFP)        (Photo credit should read JOHANNES EISELE/AFP via Getty Images)