President Trump’s tariffs have changed numerous times since they were announced in April, as foreign leaders negotiate and try to secure exemptions.

President Donald Trump on Thursday imposed once unthinkably high U.S. taxes on imports from dozens of countries, part of his campaign to turn one of the world's most open economies into a fortress bristling with barriers to trade.

President Donald Trump just enacted a new wave of tariffs on dozens of America’s trading partners, marking a substantial escalation in ongoing trade tensions that could constitute the biggest change to the global economy in nearly a century.