President Donald Trump on Thursday signed an executive order that set new tariffs on a wide swath of U.S. trading partners to go into effect on Aug. 7 — the next step in his trade agenda that will test the global economy and sturdiness of American alliances built up over decades.

US President Donald Trump signed an executive order ending a global tariff exemption used by shoppers of low-cost goods. The order, signed on Wednesday, comes into force on 29 August and broadens earlier presidential action that specifically targeted cheap products from China and Hong Kong to now cover the rest of the world.

Canadian Prime Minister Mark Carney said he was disappointed after US President Donald Trump signed an executive order to raise tariffs on Canadian goods to 35% from 25% on products outside the scope of the U.