The tariffs on Canada, Mexico and China that Trump announced would have a significant impact on the U.S. economy and inflation, forecasters said.

The tariffs if sustained could cause inflation to significantly worsen, possibly eroding voters' trust that Trump could as promised lower the prices of groceries, gasoline, housing, autos and other goods.

Trump is declaring an economic emergency to put duties of 10% on all imports from China and 25% on imports from Mexico and Canada — America’s largest trading partners — except for a 10% rate on