Singapore, Jan. 21 -- Competition between the United States and China loomed large over Tuesday's Senate hearings of President Joe Biden's picks for the top foreign relations, treasury and defence posts in the Cabinet, signalling that at least some of the Trump administration's hard line against Beijing will continue under the Biden administration.

Secretary of State nominee Antony Blinken told a Senate panel that China poses the most significant challenge of any nation state to the US.

China under President Xi Jinping had "become more assertive in making clear that they seek to become the leading country in the world", he said.

"There are rising adversarial aspects to the relationship, certainly competitive ones, and still some coope...