Because the Ohio River Valley was a great spot for farming (it had very fertile land), and there was and abundance of beavers, and their fur was very valuable. The British wanted this land for the profits, and so did the French, leading to the French and Indian War.
I’m pretty sure you need your own family for this question, perhaps asking your parents about this?
Answer:
B
Explanation:
The term "serf", in the sense of an unfree peasant of tsarist Russia.