The BBC's Analysis Editor Ros Atkins looks at why the US wants access to Ukraine's minerals.

President Trump has proposed a sweeping set of tariffs. Does this mark the end of the post-war free trade world?

The president will soon have to decide whether to match his trade rhetoric with action or shelve his tariff plans.

Are we seeing the opening moves in a wider trade war, and what are the potential economic consequences?

US shares regained some ground after falling sharply in early trade as Trump paused tariffs on Mexico and Canada.

Economists warn that the introduction of tariffs could lead to prices rising on a wide range of products.

Economic fears have been rising over Donald Trump's mega-tariff plan and rising US debts.

People in Beijing tell the BBC's Laura Bicker their hopes and fears about who will win the White House race.