Answer:
The correct answer is d) South Africa continued its enforcement of a system of racial discrimination.
Step-by-step explanation:
For many years South Africa lived under the racial segregation imposed by the apartheid system, which divided its citizens by race, in these years the power was of the white people and the black people were separated in different places, they would not have the same privilege as white-skinned people.
All these acts were rejected by different nations after the organization of the United Nations made sanctions trying to exert an effect on the rulers and seeing that they had no value for them, the different countries against the segregation that was living in its vast majority South African population, they decided to carry out economic sanctions towards the country with the objective that this behavior cease.
I hope this information can help you.