challenge: What was the primary reason for White River Junction's importance in Vermont during the late 1840s to the 1950s and 1960s?
  
  A. Its status as the state capital of Vermont
  B. Its location at the confluence of the White River with Lake Champlain
  C. Its location at the confluence of the White River with the Connecticut River
  D. Its role as a major agricultural center in the region
  Answer: 