How does the organizational structure of this passage about the French and Indian War support the author's purpose?

In the spring of 1754, the French were defeated in the first battle
between British and French forces in North America. The French
responded by taking control of an important fort in Pennsylvania that
summer. After the British seized Nova Scotia in June 1755, they had a
setback later that summer at the Battle of the Monongahela. In the
final battle before the formal declaration of war in 1756, the British
experienced another victory at the Battle of Lake George.

A. To inform readers about the early stages of the war, the author
uses a chronological structure to describe the outcome of each
battle.
B. To inform readers about what each side was fighting for, the
author uses a proposition and support structure to describe their
perspectives
C. To persuade readers that the fighting was unnecessary, the author
uses a proposition-and-support structure to explain how the war
could have been avoided.
D. To persuade readers that the British were stronger than the
French, the author uses a compare and contrast structure to
describe their strategies.