In the early 1800s, many Americans living in the eastern states wanted to explore the western frontier. Vast amounts of land and resources lay to the west―but the Appalachian Mountains formed a huge wall stretching from Canada to Georgia. How could Americans cut through it? Who could create a workable plan? What overwhelming challenges did the workers face? Discover how the Erie Canal opened the passage to the West, bringing people new opportunities for trade and expansion. "The question-and-answer format will help readers identify and understand each topic's most salient aspects and will sharpen their nonfiction reading skills, making the books attractive options." -- School Library Journal, Series Made Simple