Historically, empires have gone to great lengths to secure potash, a mineral critical to agricultural production.

President Donald Trump hinted that he might temporarily relieve the auto industry from “permanent” tariffs he previously imposed on the business. The president didn't specify how long the potential pause would be or what it would entail,

President Donald Trump suggested on Monday that he might temporarily exempt the auto industry from tariffs.

A legal advocacy group on Monday asked the U.S. Court of International Trade to block President Donald Trump's sweeping tariffs on foreign trading partners, arguing the president overstepped his authority.

President Trump’s “Liberation Day” tariffs came under their first major legal challenge Monday, brought by a libertarian public-interest firm that argues the president overstepped his authority. Trump’s April 2 announcement imposed a baseline 10 percent tariff on imports and targeted dozens of countries with higher “reciprocal” tariffs.