加拿大已经彻底颠了？拿下中国上亿订单后，宣布要向中美俄全面开炮

Group 1 - The core viewpoint of the articles highlights the significant reduction of China's crude oil imports from the U.S. by 90% due to escalating trade tensions, leading to an unprecedented increase in imports from Canada [1][5] - The expansion of the Trans Mountain Pipeline (TMX) has facilitated the flow of Alberta's oil sands crude to China, with imports reaching a record 7.3 million barrels in March, expected to rise further in April [1] - The trade war has prompted China to diversify its oil import sources, with a notable shift towards Middle Eastern and other alternative crude oils, as the economic viability of U.S. crude has diminished due to tariffs [3][5] Group 2 - China's crude oil import volume is projected to decline by 1.9% in 2024, with a diversified import structure increasingly focusing on the Middle East and Europe, while reducing reliance on North America [5] - The imposition of tariffs by the U.S. has significantly increased the cost of American crude oil, weakening its competitiveness in the Chinese market [5] - The long-term impact of U.S. tariffs is expected to negatively affect global economic conditions and crude oil demand, potentially leading to a decrease in international oil prices [7]