Answer: Hope This Helps!
Explanation:
Exposition occurs in the first few scenes of act I, when the audience is introduced to Iago and Roderigo, the central villains of the story, and learns of Othello's promotion of Michael Cassio over Iago and of Othello's secret marriage to Desdemona. These two actions on Othello's part lead into the rising action.
Sorry... didn't understand your question
I believe it is B. unite the colonies in their opposition to British policies.