Answer:
A. the French
Explanation:
This situation occurred during the French and Indian war. The fought actually occurred between France and Great Britain, but both sides were supported by some Native American tribes.
The cause of the fight was an issue when determining the owners of upper Ohio River valley. The French argued that the part of the river was belonged to them because controlling that part of the river will opened up a path for trades to Virginia and Pennsylvania, Gaining this will resulted in great economic benefits for whoever own that part of the river.