The president typically ties his tariffs to trade policy, but he hit Brazilian products with the highest rate of any country's goods largely due to politics.

President Trump plans to levy a 50% tariff on all goods from Brazil — the source of about 30% of U.S. coffee imports. This looming tariff threat has sent shock waves through the U.S. coffee industry.

Brazilian coffee farmers are facing tough times after the U.S. imposed a 50% tariff on Brazilian imports earlier this month