B. senate, hope this helps :)
<span>a land area having a relatively level surface considerably raised above adjoining land on at least one side, and often cut by deep canyons
I hope thats what you mean!!!</span>
Adam Smith. Hope this helps.
One of the most significant problems that western states faced was a lack of resources and a disconnection from the eastern states, where most of the materials needed for civilization were being produced. There was also the issue of hostile Natives.