US President Donald Trump’s new 25% tariffs on imports from Mexico and Canada took effect on Tuesday, along with a doubling of duties on Chinese goods to 20%, launching new trade conflicts with the top three US trading partners.

Canada will extend a tax credit on mineral exploration for two additional years as part of the government’s move to support investment in exploration projects, energy, and natural resources, Natural Resources Minister Jonathan Wilkinson said on Sunday.

President Vladimir Putin has offered the US the opportunity under a future economic deal to jointly explore Russia’s rare earth metal deposits that he says are greater than those of Ukraine.

Negotiators need more time to finalize a deal that would give Washington a cut of Ukraine’s critical mineral wealth, a person with knowledge of the talks said.

Mexico’s government on Tuesday questioned the fairness of a 25% tariff ordered by US President Donald Trump on its steel and aluminum imports, stressing that Mexico buys more steel from the US than it exports to its northern neighbor.

US Treasury Secretary Scott Bessent will travel to Ukraine this week, Donald Trump wrote in a social media post on Tuesday, as the administration tries to end the Russia-Ukraine war and secure American access to Ukrainian natural resources.

The European Commission said on Monday it would react to protect EU interests after US President Donald Trump’s announcement of impending metals tariffs, but will not respond until it has clarification of the measures.

The leader of Canada’s largest province said the government will ban Chinese components from energy projects if his party is reelected later this month.

The price of copper in the United States rocketed on Monday after US President Donald Trump pushed forward his plans to slap tariffs on industrial metals.

President Donald Trump met US Steel chief executive David Buritt at the White House on Thursday as the struggling steelmaker has been pushing for a decision on its long-sought takeover by Japan’s Nippon Steel.