The reason they adopted this was to "A.Justify Revolution". This was because up to this moment there really had not been a formal explanation of the goals of the movement.
I just took that test too so the answer is B
Answer:
A. was able to win in. specific conflicts with the kings of England and France.
They felt D. The DOI was used for the people anyway and most of the ideas. The Declaration summarized the colonists’ motivations for seeking their independence. By declaring themselves an independent nation, the American colonists were able to conclude an official alliance with the government of France and obtain French assistance in the war against Great Britain.
Hope this helped.