What advantage did the America military have in the Vietnam war

The correct answer is B) more powerful weapons.

One advantage that the American military had in the Vietnam War was that they had more powerful weapons.

The great advantage that the United States military forces had during the Vietnam War was that they had superior firepower. U.S. Army and Airforce had more powerful weapons. On the other side, a great disadvantaged that caused them many problems was the difficulty of the landscape. For that purposes, they relied totally on South Vietnam troops that were the locals.  

The other options of the question were, a) they had better knowledge of the landscape, c) strong South Vietnamese support, and d) clear territorial goals.  

shang dynasty

western zhou (ca. 1046-771 bce)

eastern zhou (ca. 771-256 bce)