It was a week that saw not only more twists in the tariffs saga but also Trump's big Hill address, the suspension of aid to Ukraine, more firings at agencies, and more. NPR keeps track, day by day.

Companies can try to avoid or minimize tariffs by requesting exemptions or legally reclassifying their products. Here's a look at some of the strategies that have worked in the past.

American farmers have stood firmly behind President Trump even when his trade policies hurt them. The latest trade war, which could be even worse for their sector, promises to test those ties again.

Trump put 25% tariffs on goods from Canada and Mexico on Tuesday. Markets tanked. And by Thursday, he had decided to broadly lift them.

The Inspired Home Show in Chicago draws housewares industry insiders from all over the country to network and show off their latest gadgets. This year, they're making plans to cope with tariffs.

Several factors led to the Great Depression, one of the most severe economic crises in U.S. history. NPR interviewed economists who discussed the causes of the Great Depression.

The Trump administration's attacks on its northern neighbor have been met with confusion and anger by some Canadians who are now cancelling their trips to the U.S. in protest.

China will aim for economic growth of around 5% this year, the same as last year. This comes despite deep domestic challenges and fresh tariffs on Chinese imports to the U.S.

U.S. stock markets plummeted on Tuesday morning as a new global trade war began.

Canada and China hit back swiftly after Trump's sweeping tariffs took effect Tuesday, raising fears of a global trade war. International markets, meanwhile, continued to slide.

Canadian and Chinese officials say they were already helping reduce fentanyl smuggling. Prime Minister Justin Trudeau said fentanyl crossing the northern border is "near zero."

The White House describes the tariffs as a response to inadequate border and drug enforcement. They are forecast to add thousands of dollars to the price of vehicles.

President Trump's tariff policy is creating uncertainty for places like Tupelo, Miss. with a manufacturing-dependent economy. It's in a conservative county where Trump got nearly 70% of the vote.

China will impose additional tariffs of up to 15% on imports of U.S. farm products, including chicken, pork, and soy. They follow Trump's order to raise tariffs on imports of Chinese products to 20%.

President Trump cited outdated drug overdose data to justify tariffs against Canada, China, and Mexico. He also offered no evidence Canada is fueling the U.S. drug crisis.