The Appalachian Mountains were a significant barrier to westward expansion during which period of U.S. history?
  • Colonial period
The term “Appalachian dulcimer” refers to a traditional musical instrument from which Appalachian cultural group?
  • Scots-Irish settlers
What type of vegetation dominates the wetland areas of the Coastal Plains?
  • Mangroves, marsh grasses, and cypress trees
How does the Coastal Plain contribute to the U.S. fishing industry?
  • It provides vast areas of coastal waters for commercial fishing