In 1930, in hopes of supporting farms and manufacturing, President Hoover made a bold decision: he approved a sweeping 20% tax on all imported agricultural and industrial goods. But the plan completely backfired, leading exports to fall and global trade to decline. And it wouldn't be the last time a world leader was shocked by a tariff’s consequences. Trace the economic chain reaction of tariffs. [Directed by Avi Ofer, narrated by Bethany Cutmore-Scott, music by Stephen LaRosa, Wonder Boy Audio].