Californians will feel the effects of the Trump administration's tariffs, which are set to start on Saturday. A 10% tariff on imports from U.S. trading partners begins Saturday, while additional duties on about 60 countries will start April 9.

For decades, global commerce abided by tariff rates agreed to by the U.S. and 122 other countries during the 1980s and 1990s. On Wednesday, Trump detonated that arrangement, saying that other countries had exploited the system and “ripped off’’ the United States for years, causing its once-mighty manufacturing base to shrink.

Since starting his second term as president, and years before, President Donald Trump has intensified his criticism and policy actions toward Mexico. From imposing tariffs to making contentious statements about Mexico’s government,

President Donald Trump's anticipated tariff announcement sparked varied responses from the leaders of Canada and Mexico.

Mexico braces for tariff threats as Trump pushes 25% import tax on goods Mexico is facing the threat of a 25% import tax on all goods heading to the United States as President Trump continues to pressure the country.

President Trump on Tuesday called on the Senate to keep the United States' tariffs on Canada in place -- hours before Democrats could potentially force a vote to block the tariffs on the ally country.