Answer: The author makes predictions about the possible outcomes of the war thereby building conflict in the excerpt.
Explanation: by mentioning that the possible outcomes of the war, the author builds up the conflict.He also wishes that the non communist Viatnamese win the war .He goes on to add that some day , the will win the war and head towards a triumph.He also considers himself lucky to be reporting this . This shows that he is making all attempts to build the conflict .