U.S. Secretary of State John Kerry in Africa

U.S. Secretary of State John Kerry holds a media conference praising oil-rich Angola's leadership for solving  conflicts on the African continent, in Luanda, Angola, May 5, 2014.

U.S. Secretary of State John Kerry meets with civil society leaders at the U.S. Chief of Mission Residence in Luanda, Angola, May 4, 2014.

Angola's Foreign Minister Georges Rebelo Chicoti, right, walks with U.S. Secretary of State John Kerry prior to their meeting at the Finance Ministry in Luanda, Angola, May 5, 2014.

U.S. Secretary of State John Kerry walks by the Congo River near the U.S. Chief of Mission Residence in Kinshasa, DRC, May 3, 2014.