Army camps they have access to higher ground and supplies of water
Answer: Britain and France disputed borders in the Ohio River Valley.
Explanation: A is the correct answer.
Answer:
B. Physical geography and fear of the unknown
Explanation:
When it came to trading goods in this time period many were scared to travel in the fear of not being able to get back due to the lack of navigation as well as such weird geography really hope this helped. :)
It's not A because Lewis and Clark explored it.
I'm pretty sure the answer is D. from what I've researched the lands were really hard to farm on that the government had to pass a Homestead Act to get people to settle there.