The Office of the U.S. Trade Representative's (USTR) annual report on China's World Trade Organization compliance claims the United States needs to "strengthen existing trade tools" and develop new ones to combat China's state subsidies and financial heft, Reuters reported Feb. 16. And Chinese President Xi Jinping claimed that China needs to bolster its legal means to conduct an "international struggle" against sanctions and other trade interference, South China Morning Post reported Feb. 16.