President Donald Trump's use of tariffs in his second term defies many historical norms, say economists and historians.

The rapid-fire shots of tariffs and import curbs hearken back to Trump’s first term in office, when the U.S. and China ...

However, not every action taken by President Trump is necessarily viewed as a positive by investors. With the president ...

We have an income tax as opposed to a tariff in part to deal with the mind of the South in 1913—yet the income tax revenue enabled revenue-destructive tariffs.

Instead of compelling Canada to become an American state, the 1890 McKinley Tariff drove Canada into British hands.

President Donald Trump said he will announce 25% tariffs on all steel and aluminum coming into the United States on Monday.

Since then, the U.S. has used tariffs to achieve three broad goals, said Douglas Irwin, an economics professor at Dartmouth College and past president of the Economic History Association.

That may lead some to wonder: How have tariffs been wielded throughout U.S. history, and is Trump's use of them unusual? The U.S. has used tariffs since its founding in the 18th century.

Since then, the U.S. has used tariffs to achieve three broad goals, said Douglas Irwin, an economics professor at Dartmouth College and past president of the Economic History Association.