What major infrastructure project of the 20th century helped connect Appalachian communities to broader U.S. markets?
  • The Appalachian Regional Highway System
Which U.S. government agency has invested heavily in improving the economic conditions in the Appalachian region?
  • Appalachian Regional Commission (ARC)
What natural resource was heavily extracted from the Appalachian region, particularly in West Virginia and Pennsylvania?
  • Coal