The U.S. is looking increasingly isolated when it comes to its global geopolitical and trade relationships as allies reassess their ties to the world's largest economy and consider going it alone. The new year has seen a number of nations and power blocs forging ahead with relationship resets, closer commercial ties and trade partnerships, sidelining a more hostile and volatile U.S. They include China's " preliminary agreement " with Canada and rapprochement with the U.K. , as well as the