How does speaking and writing differ?

Writing has a tendency to be rehearsed, and edited. Speaking can, and has a tendency to, be impromptu.

Explanation:

Speaking and writing is differ from each other completely

Writing is what we put on paper

Whereas speaking is what we say

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.

i believe that the answer is b! i hope i out!