What is audience? what is purpose? what is tone?

Audience - the assembled spectators or listeners at a public event such as a play, film, concert, or meeting.

                 - a formal interview with a person in authority.

Purpose - the reason for which something is done or created or for which something exists.

               - a person's sense of resolve or determination.

               - have as one's intention or objective.

Tone - a musical or vocal sound with reference to its pitch, quality, and strength.

         - the general character or attitude of a place, piece of writing, situation, etc.

         - give greater strength or firmness to (the body or a muscle).

         - harmonize with (something) in terms of colour.

Explanation:

Audience is the assemble spectators or listeners

Purpose is the reason for which something is done or created or for which something exists

Tone is the general character or attitude of a situation

the answern should be b, if it is the part where the mob has gathered

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.