President Donald Trump said there will be “pain” in making America “great again” when he defended his decision to impose tariffs on imports from Canada, Mexico and China in a Truth Social post on Sunday.

China chose swift retaliation for trade measures in the first Trump administration, but that led to an upward spiral of trade measures and much broader tariffs.

President Donald Trump has taken executive action to impose new tariffs on imports from Canada, China and Mexico. The move fulfills campaign promises but also sparked retaliatory moves that could signal an extended trade war with key trading partners and,