Which of the following best describes a tactic used by the Viet Cong during the Vietnam War?
A. attacking US troops and then hiding in the jungle
B. destroying large areas of Vietnamese jungle
C. relentlessly bombing US positions
D. aggressively using superior firepower
"A. attacking US troops and then hiding in the jungle" is the best option from the list, since it was this tactic that most thwarted many US troops--mainly because they were far less familiar with the terrain.
