Answer:
Hi! I am afraid your answer is incomplete. You are not mentioning the text you are referring to, nor you are giving an excerpt for us to take as an example. Anyways, I'll try to help you figure out the correct answer.
Step-by-step explanation:
As I can deduce from the options you are given, this is a story about historical events that took place or involved Great Britain. Usually, the speaker's purpose, in every story, is to inform, persuade or entertain the audience. Generally, those purposes overlap because the speaker does all at the same time: inform the audience while entertains and, maybe even without wanting it, persuade the audience because they hear his/her side of the facts. So, the correct answer can be any of this, but you have to read the text carefully and see which purpose predominates here. Is the speaker mostly giving information about facts that occurred in Britain? Is the speaker mostly calling his/her audience to take action against the British? Is he/she telling a story in an entertaining way, with anecdotes included? Is he/she describing something he/she himself/herself witnessed?
When you answer this question, you'll have your answer. Pick the option that best fits your perception of the story and you'll do great.
Good luck!