Answer:
Well, the area was relatively cheap to maintain, so it cant be A. There were a lot of resources in the area, so its not B, and C is just not correct, so D is your answer.
Step-by-step explanation:
France was fighting Britain at the time that this trade took place, and the wars were over seas, and that is much more expensive. France needed a lot of cash, and fast, so they sold the land.