As leaders from across the world gather for two major summits in South America in the coming days, the uncertainty brought by Donald Trump’s impending return to the White House is expected to loom large.

Outgoing U.S. President Joe Biden is expected to voice his "deep concern" regarding China's "support for Russia's war against Ukraine" and North Korea's participation in combat operations.

Trump promised to slap blanket 60% tariffs on all Chinese exports to the U.S. That would jolt the already tumultuous relationship between Beijing and Washington.