Which of the following statements about South Africa during apartheid is most accurate?

a. The majority of South Africa's population was white, and non-whites were legally discriminated against.

b. Whites held all positions of power in South Africa, even though they were a minority in the population.

c. All races had the right to vote in South Africa, but white citizens tended to win elections.

d. Although some discrimination existed, non-whites participated in all aspects of society.