From 1965 to till the end of the Cold War the US supported Democratic Republic of the Congo ( Zaire ). Mobutu Sese Seko was the military dictator and president of Democratic Republic of the Congo ( which he renamed Zaire in 1971 ). Mobutu was against the USSR foreign policy. His relationship with the US radically changed after the end of the Cold War.
Answer: B. Democratic Republic of the Congo.