Answer:
Concerned Vietnam veterans is the right answer
Step-by-step explanation:
The War in Vietnam changed the status of America forever. It is therefore considered as the longest war that was fought in history and lasted for almost 20 years. It changed the American image since it became the first time in history for America to fail in accomplishing its status and preserving its independence.
The war also developed different effects to the Americans, and it became the first war that was broadcasted live. This enabled the public to see what was happening on the ground.