President Joe Biden pledged another $600 million Wednesday for an ambitious multi-country rail project in Africa as one of the final foreign policy moves of his administration.

Joe Biden on Wednesday lauded a landmark railway infrastructure project aimed at countering China's investments in Africa as a "game changer" while on a historic first visit to Angola by a US president.

LUANDA, Angola (AP) — Joe Biden on Tuesday used the first visit to Angola by a U.S. president to promote billions of dollars of commitments to the sub-Saharan African nation and speak at a slavery museum, where he’ll acknowledge the trafficking that once linked the nations’ economies.