The answer is "B", varied ecological regions.
Oklahoma contains 10 distinct ecological regions. That is more ecological regions per square mile than in any other state by a wide margin.
The british royalty issued a pact stating that the colonists could not settle beyond the appalachian mountain range, the colonists did not approve as they wanted to expand westward for more territory due to space being consumed
Richard Arkwright I am not sure but that should be the answer.
A large area of grazing land without fenced or other barriers
