LUANDA, Angola (AP) — Joe Biden on Tuesday was using the first visit to Angola by a U.S. president to promote Washington’s investments in the sub-Saharan African nation and see a slavery museum, where he’ll acknowledge the trafficking of humans that once linked the nations’ economies.

Joe Biden pledged lasting U.S. engagement with Africa on Africans' own terms as he met his Angolan counterpart Joao Lourenco in Luanda on Tuesday as part of his only visit to sub-Saharan Africa as U.S.

Speaking of “our nation's original sin,” President Joe Biden on Tuesday toured a slavery museum in Angola and inspected shackles and a whip but also addressed Africa's