Group 1 - Canada is facing increasing pressure from the U.S. and has unexpectedly targeted China by imposing tariffs of up to 25% on certain industries, forcing many Chinese companies to withdraw from Canada [1][10] - Initially, Canadian Prime Minister Carney took a strong stance against U.S. tariffs, declaring the end of traditional relations with the U.S. and announcing countermeasures, including a CAD 2 billion fund to support affected Canadian auto industry workers and businesses [3][4] - Canada imposed a 25% retaliatory tariff on U.S. steel and aluminum exports, leveraging its position as the largest supplier of these materials to the U.S. as a key negotiating chip [5] Group 2 - Following U.S. tariff threats, Canada was shocked by Trump's new tax list, which included tariffs of up to 35% on various Canadian exports, severely impacting the Canadian economy, particularly in the steel and aluminum sectors [7][9] - Canada has implemented a complex quota control mechanism that halves the import quantity of Chinese products and imposes punitive tariffs for exceeding quotas, contrasting with the unrestricted export treatment from the U.S. [12] - The Canadian government's actions against China are perceived as an attempt to appease the U.S., but this strategy may backfire as China is not easily pressured [14][17] Group 3 - The Canadian government's measures have faced domestic criticism, especially from industries reliant on steel, which are experiencing budget reevaluations and project delays due to price fluctuations [14] - Hikvision, a Chinese company, holds about 30% of the market share in several provincial procurement contracts in Canada, and replacing its equipment would incur significant costs and negatively impact public service systems [15] - China has responded by imposing a 100% tariff on Canadian canola, which is a significant import for Canada, further demonstrating the intensity of the retaliatory measures [15]