The Joe Biden administration has consolidated U.S. protectionism through large-scale investment plans, preferential treatment for domestic companies and sanctions on China's technology industry, amid global trade and geopolitical tensions. Last August, Biden signed into law the controversial Inflation Reduction Act, which introduced discriminatory subsidies, triggering backlash in many countries. The U.S. is changing its role from the creator of the international liberal order to the destroyer of the international trading system. In this episode of BizBeat, CGTN's Olivia He explains.