Which example would be most appropriate to paraphrase?

Hello, I believe the answer is D. Medical terms related to smallpox that readers may not know.

returning points to main account

explanation:

the african society basically suffered the consequences of colonization and apartheid directly attacking the black people, first, during the colonialism and its main idea which which "white people" had better rights, affecting   them principally in the right to establish black people in their territories, access to quality education and health services and took away any civil right even to the black people to feel they have the same opportunities as the settlers.