A. To inform readers about the early stages of the war, the author uses a chronological structure to describe the outcome of each battle.
Explanation:
In the given passage, the author informs us about the battles that took place at the beginning of the French and Indian War and their outcomes. He does this in chronological order, which means that he tells us about them in the order they happened. This is why option A is the correct one.
Option B is incorrect because the author doesn't give us information about what each side was fighting for.
Options C and D are incorrect because the purpose of the given passage is not to persuade.