China's zero-tariff access for Africa's least developed countries kicked in this week, a senior Chinese diplomat said, just as U.S. President Joe Biden visits Angola. WHY IT'S IMPORTANT China and the United States have jostled for influence in Africa,

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.

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.