Since returning to office last month, U.S. President Donald Trump has initiated numerous tariffs and made even more frequent threats to impose levies on imported goods.

President Donald Trump said he would likely impose tariffs on automobile, semiconductor and pharmaceutical imports of around 25%, with an announcement coming as soon as April 2, a move that would dramatically widen the president’s trade war.

Since the 1960s, tariffs — or import taxes — have emerged from negotiations between dozens of countries. Trump wants to seize the process. “Obviously, it disrupts the way that things have been done for a very long time,