Which of these is a dominate language group of sub saharan africa?

Bantu

Explanation:

The Bantu languages are a large family of languages spoken by the Bantu peoples in the southern half of Africa. They form the largest branch of the Southern Bantoid languages.

the secretary of state, appointed by the president with the advice and consent of the senate, is the president's chief foreign affairs adviser. the secretary carries out the president's foreign policies through the state department and the foreign service of the united states.