The Viet Minh and the North Vietnamese executed operations along two lines of efforts in the campaign, one conventional and another unconventional. What was one of the principal advantages of this approach? A. Depending on the success of either line of effort, the Viet Minh and the North Vietnamese could change their focus to reinforce a successful line of effort or adapt to relieve pressure on a less successful line of effort. B. This approach gave them flexibility in dealing with their very limited logistics C. Depending on the current media coverage, they could adjust their strategy to ensure the biggest effect on their enemies' will