Hal, Charles, and Mercedes are used to provide a contrast with others in the book in regards to which themes? Select all that apply. the value of work laws and rules the effect of the environment civilization vs. the wild

The effect of the environment , laws and rules civilization vs. the wild

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.