Question

Why were the Vietcong so successful against the United States? The Vietcong held the strategically important HoChi Minh Trail. U.S. troops could not engage the Vietcong in traditional warfare. Vietcong forces had superior weapons and military training. U.S. soldiers falsely overestimated the Vietcong's abilities

Answer 1

They couldn't engage in traditional warfare i think. The reason why was the U.S troops were fighting in the jungle which they weren't accustom too. 

Answer 2

U.S. troops could not engage the Vietcong in traditional warfare.