During the 17th and 18th centuries, the frontier for the British colonies of North Americas could usually be found at the "<span>b. Appalachian Mountains" since this was the area that most settlers were not inclined to pass.</span>
I believe true hope this helps
I think it’s c but I’m not sure it may be a
Answer: In the West, Americans found a lot of land to expand, new species of plants and animals, and access to the Pacific Ocean. Because of their access to the largest body of water on the planet, international trade was possible (but wouldn't begin for another 75 or so years, assuming that this is in the mid-1800s).