The president’s three-day visit was meant to be a capstone on the administration’s efforts to strengthen ties with the oil-rich nation and highlight U.S. investment to push back on China’s influence in the region.

President Joe Biden said "there's nothing beyond our capacity if we work together" while addressing a gathering outside the National Museum of Slavery in Luanda, Angola, on Tuesday.

President Joe Biden on Tuesday, during his diplomatic trip to Angola, acknowledged America's "original sin" of slavery and the slave trade that once connected the United States and the African nation.