The Trump administration's tariff war with China is most often seen through the lens of the economy. But to many economists, the bigger threat is that Trump's global trade gambit will erode the United States’ main source of global authority: the long-term geopolitical relationships it has cultivated over nearly a century.

Nvidia is caught in the middle of an escalating trade war between the world’s two largest economies. Nvidia on Tuesday said it will take a $5.5 billion financial hit after Washington placed fresh restrictions on the export of its H20 artificial intelligence chips to China,

With travel warnings and revoked visas, the two superpowers locked in a bruising trade war may make students and tourists their bargaining chips.