Answer:
the physical geography kept them isolated from other powerful civilizations?
Explanation:
The Ohio River Valley was fought over for resources that were good for trade such as fur. The French and British were fighting over power and resources during this time. French had colonized lands to the West while the British colonized lands on the East Coast of North America. They had a border dispute as to who owned the land in the Ohio River Valley, and the French and Indian War break out.
Nazi Germany was the third country involved in the axis power.
