They wanted to push in North America because they knew that by gaining control over this continent or at least parts of it would mean a lot to the spanish crown and would also be rewared.
These are some of the presidents's not many people remember:
<span>Herbert Hoover
Martin Van Buren
Warren Harding
Chester Arthur
Millard Fillmore </span>
Answer: Blue Ridge Mountains
Explanation: The Piedmont region is to the west of the coast and east to the mount region. It is categorised by tall mountains which were slowly worn away by erosion.
Rivers Dan, Catawba flows from the blue ridge mountains to the Piedmont.
Well Known Piedmont mountain include Pilot mountain and Hanging rock mountain. Which gives room for hiking, fishing and viewing of water falls.
Piedmont has cities such as Charlotte which is the largest city in North Carolina, Durham also known as the 'City of Medicine' and some others.