Answer:
They believed that the Vietnam War was a mistake. By 1968, a majority of Americans believed that the Vietnam War was a mistake. The other choices given above are not related to what happened during 1968. Hope this answer helps.
The Battle of Gettysburg was pretty much when people realized the South was going to lose.
I would have to say that Augustus was more important because he started the Roman Empire on a stable footing, and ushered in the Pax Romana.
King Louis XVI was executed by guillotine after being accused of foreign power.
