Graphic Truth: Soya Want a Trade War

US farmers have become a political hot potato in the US-China trade war, with President Donald Trump accusing China of failing to follow through on a recent pledge to buy more US agricultural goods as part of a deal to re-start stalled trade talks – and China instructing state-run companies to stop buying from US farms after the president's latest tariff threat. This map explains why farmers are so important to the US president, and why agricultural purchases are a key bargaining chip for Beijing.