President-elect Joe Biden said on Tuesday the United States will be “ready to lead” again on the global stage, turning the page on President Donald Trump’s unilateralist policies as he pledged to work together with America’s allies.

Introducing his new foreign policy and national security team, the Democratic former vice president signalled that he intends, after taking office on Jan 20, to steer the United States away from the “America First” nationalism pursued by Trump...