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.
It was primarily the introduction of the Ford Model T that most contributed to declining automobile prices during the 1920s. This due to Ford's innovative technique.
So sorry but I'm not answering your question cause I really didn't come here to help people, you see I'm a chaotic evil, so I'm pretty sure I'll just go around this website doing the same thing to other people that I'm doing to you. While getting answers myself.
The answer is A. King Darius attempted to subjugate the Greeks during the Battle of Marathon, this was continued by his son, Xerxes