challenge: What was the size and composition of the artillery company in the force led by Colonel Charles Boerstler?
  
  A. A company of artillery with one 12-pounder and one 6-pounder field guns
  B. Two companies of artillery with two 12-pounder field guns
  C. A company of artillery with two 6-pounder field guns
  D. Two companies of artillery with one 12-pounder and two 6-pounder field guns
  Answer: 