What specific new tariffs did Canada announce in response to U.S. trade actions, and when do they take effect?

Canada announced retaliatory tariffs targeting the U.S. steel and dairy industries, which are set to take effect on September 8. Prime Minister Mark Carney stated that more details would be released the following week.

Why did Canadian Prime Minister Mark Carney reject the U.S. trade proposal, according to his public statement?

Carney said the U.S. proposed new terms at the 11th hour that were 'uneconomic, unfair and undermined the net benefits for Canada', and that they 'called into question the reliability of any deal'; he also cited unacceptable U.S. restrictions on Canadian trade deals with other countries and threats to the French language and Quebec culture.

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