How do Mrs. Mandela comments in the article contribute to its central ideas about Mandela?

the language dates from the contacts of arabian traders with the inhabitants of the east coast of africa over many centuries. under arab influence, swahili originated as a lingua franca used by several closely related bantu-speaking tribal groups.

social contract theory, nearly as old as philosophy itself, is the view that persons' moral and/or political obligations are dependent upon a contract or agreement among them to form the society in which they live

immigrants from northern and western europe continued coming as they had for three centuries, but in decreasing numbers

the correct answer is c.