Apartheid was a system of institutionalized racial segregation and discrimination that existed in South Africa.
The answer... I think is C... hope it helped :)
American hostages were held by Iran during the presidency of Jimmy Carter. In November 1979, a mob in Tehran, Iran took hostage the entire staff of the United States Embassy. It was Jimmy Carter's administration when the hostaging happened and the hostages were released minutes after Jimmy Carter passed the presidency to Ronald Reagan.