加拿大在美国关税威胁下拒绝与中国签订自由贸易协定

"...Trump accused Canada of potentially serving as a backdoor for Chinese goods into the U.S., reversing his earlier praise for the deal...."

"...Tensions between Trump and Carney have intensified, including Trump floating controversial ideas such as absorbing Canada into the U.S. and posting provocative altered maps, while Carney has publicly criticized coercion by major powers, suggesting coordinated responses from middle powers...."