China on Monday accused Washington of abusing tariffs and warned countries against striking a broader economic deal with the United States at its expense, ratcheting up its rhetoric in a spiralling trade war between the world's two biggest economies.

Beijing has suspended exports of certain rare earth minerals and magnets that are crucial for the world’s car, semiconductor and aerospace industries.

US trade war? CNN examined China’s largest import from the United States – soybeans – to see how that demand could be met elsewhere and what US farmers stand to lose.