Trump SLAMS Canada with MASSIVE tariffs over rejected trade deal — and Canada responds defiantly

President Donald Trump has threatened to punish Canada with 50% tariffs on automotive and steel imports after the country's leaders rejected his trade deal offer.

In a post on Truth Social on Monday, he cited Canada's tariffs on farms and said the situation was no longer sustainable. The new tariffs will go into effect on New Year's Day, 2027, the president said.

'We’re all in ... everyone’s in for an economic war.'

"On January First, 2027, Tariffs on all Cars, Trucks, both large and small, Automotive Parts, and Steel, will be increased to 50%. Build in the U.S. and there are ZERO TARIFFS," wrote the president.

"Canada will be treated like a State no longer!" he added. "On Trade, and in other ways, also, they are among the worst Nations in the World to deal with. They feel entitled, and yet, WE DON’T NEED CANADA, THEY NEED US!"

Ontario Premier Doug Ford responded defiantly to the tariffs.

"He underestimates Canada. We’re all in,” Ford said. “Up here, we’re at a fever pitch, everyone’s in for an economic war. They know they’re going to have to sacrifice."

On Friday, Canadian Prime Minister Mark Carney walked away from talks with the Trump administration on trade, and the U.S. responded on Saturday by immediately imposing 50% tariffs on $20 billion worth of Canadian products.

Carney said Canada would retaliate with reciprocal tariffs beginning Sept. 8.

Ford went on to threaten to cut off energy and materials from Ontario to the U.S.

"I’ll cut them off," Ford said in reference to critical minerals. "You won’t get a grain of sand out of Ontario."

He noted that Canada provides electricity for about 1.5 million homes and businesses.

"He can kiss my ass as far as I'm concerned," Ford added.

"We need to throw everything and the kitchen sink at him. He's arrogant, he's cocky."

RELATED: Trump says Canada is considering his offer to become the 51st state of the US

Canada is one of the largest trading partners of the U.S., but the U.S. depends far less on Canadian imports than our neighbor to the north depends on U.S. imports.

About 59% of Canada's imports come from the U.S., while only 12.6% of U.S. imports come from Canada.

The Trump administration also launched a new campaign Monday to cripple Iran through economic sanctions in order to end the war and open the Strait of Hormuz completely.

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