Answer:
The answer is "Option a".
Step-by-step explanation:
In the given question the numbering of the choices is missing which can be defined as follows:
In the "French and Indian War", the Ohio River Valley was only an important location because England coved that main position as well as the conflict primarily happened. Even before War, its Franc controlled most of the United States and Canada, its Ohio river, which would have been the strategic place to preserve its dominance. The key way to travel was the rivers. The French wanted to keep merchants out of Massachusetts to regulate that native American market throughout the Ohio River Valley. That native American that resided there also required to also be their adversaries. He would have been to keep an Ohio River in power and having British people back.